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-rw-r--r--fs/ext4/ialloc.c2
-rw-r--r--fs/ext4/inode.c7
-rw-r--r--fs/ext4/mballoc.c1
-rw-r--r--fs/ext4/super.c24
-rw-r--r--fs/jbd/checkpoint.c31
-rw-r--r--fs/jbd2/checkpoint.c32
-rw-r--r--fs/jbd2/journal.c2
-rw-r--r--fs/nfsd/vfs.c5
-rw-r--r--fs/ocfs2/file.c27
-rw-r--r--fs/ocfs2/inode.c6
-rw-r--r--fs/ocfs2/journal.c1
-rw-r--r--fs/ocfs2/mmap.c6
-rw-r--r--fs/ocfs2/namei.c8
-rw-r--r--fs/ocfs2/ocfs2.h3
-rw-r--r--fs/ocfs2/ocfs2_fs.h17
-rw-r--r--fs/ocfs2/xattr.c372
-rw-r--r--fs/ocfs2/xattr.h38
-rw-r--r--fs/xfs/xfs_da_btree.c5
-rw-r--r--fs/xfs/xfs_dir2.c6
-rw-r--r--fs/xfs/xfs_inode.c2
-rw-r--r--fs/xfs/xfs_log.c39
-rw-r--r--fs/xfs/xfs_log_recover.c8
-rw-r--r--fs/xfs/xfs_mount.c5
23 files changed, 384 insertions, 263 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index fe34d74cfb1..2a117e286e5 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -718,6 +718,8 @@ got:
gdp->bg_flags &= cpu_to_le16(~EXT4_BG_BLOCK_UNINIT);
free = ext4_free_blocks_after_init(sb, group, gdp);
gdp->bg_free_blocks_count = cpu_to_le16(free);
+ gdp->bg_checksum = ext4_group_desc_csum(sbi, group,
+ gdp);
}
spin_unlock(sb_bgl_lock(sbi, group));
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8dbf6953845..be21a5ae33c 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2329,6 +2329,8 @@ static int ext4_da_writepage(struct page *page,
unlock_page(page);
return 0;
}
+ /* now mark the buffer_heads as dirty and uptodate */
+ block_commit_write(page, 0, PAGE_CACHE_SIZE);
}
if (test_opt(inode->i_sb, NOBH) && ext4_should_writeback_data(inode))
@@ -4580,9 +4582,10 @@ static int ext4_indirect_trans_blocks(struct inode *inode, int nrblocks,
static int ext4_index_trans_blocks(struct inode *inode, int nrblocks, int chunk)
{
if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
- return ext4_indirect_trans_blocks(inode, nrblocks, 0);
- return ext4_ext_index_trans_blocks(inode, nrblocks, 0);
+ return ext4_indirect_trans_blocks(inode, nrblocks, chunk);
+ return ext4_ext_index_trans_blocks(inode, nrblocks, chunk);
}
+
/*
* Account for index blocks, block groups bitmaps and block group
* descriptor blocks if modify datablocks and index blocks
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index dfe17a13405..444ad998f72 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4441,6 +4441,7 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
else if (block >= (entry->start_blk + entry->count))
n = &(*n)->rb_right;
else {
+ ext4_unlock_group(sb, group);
ext4_error(sb, __func__,
"Double free of blocks %d (%d %d)\n",
block, entry->start_blk, entry->count);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 994859df010..e4a241c65db 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1458,9 +1458,8 @@ static int ext4_fill_flex_info(struct super_block *sb)
/* We allocate both existing and potentially added groups */
flex_group_count = ((sbi->s_groups_count + groups_per_flex - 1) +
- ((sbi->s_es->s_reserved_gdt_blocks +1 ) <<
- EXT4_DESC_PER_BLOCK_BITS(sb))) /
- groups_per_flex;
+ ((le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) + 1) <<
+ EXT4_DESC_PER_BLOCK_BITS(sb))) / groups_per_flex;
sbi->s_flex_groups = kzalloc(flex_group_count *
sizeof(struct flex_groups), GFP_KERNEL);
if (sbi->s_flex_groups == NULL) {
@@ -2885,12 +2884,9 @@ int ext4_force_commit(struct super_block *sb)
/*
* Ext4 always journals updates to the superblock itself, so we don't
* have to propagate any other updates to the superblock on disk at this
- * point. Just start an async writeback to get the buffers on their way
- * to the disk.
- *
- * This implicitly triggers the writebehind on sync().
+ * point. (We can probably nuke this function altogether, and remove
+ * any mention to sb->s_dirt in all of fs/ext4; eventual cleanup...)
*/
-
static void ext4_write_super(struct super_block *sb)
{
if (mutex_trylock(&sb->s_lock) != 0)
@@ -2900,15 +2896,15 @@ static void ext4_write_super(struct super_block *sb)
static int ext4_sync_fs(struct super_block *sb, int wait)
{
- tid_t target;
+ int ret = 0;
trace_mark(ext4_sync_fs, "dev %s wait %d", sb->s_id, wait);
sb->s_dirt = 0;
- if (jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, &target)) {
- if (wait)
- jbd2_log_wait_commit(EXT4_SB(sb)->s_journal, target);
- }
- return 0;
+ if (wait)
+ ret = ext4_force_commit(sb);
+ else
+ jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, NULL);
+ return ret;
}
/*
diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index 1bd8d4acc6f..61f32f3868c 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -115,7 +115,7 @@ static int __try_to_free_cp_buf(struct journal_head *jh)
*/
void __log_wait_for_space(journal_t *journal)
{
- int nblocks;
+ int nblocks, space_left;
assert_spin_locked(&journal->j_state_lock);
nblocks = jbd_space_needed(journal);
@@ -128,25 +128,42 @@ void __log_wait_for_space(journal_t *journal)
/*
* Test again, another process may have checkpointed while we
* were waiting for the checkpoint lock. If there are no
- * outstanding transactions there is nothing to checkpoint and
- * we can't make progress. Abort the journal in this case.
+ * transactions ready to be checkpointed, try to recover
+ * journal space by calling cleanup_journal_tail(), and if
+ * that doesn't work, by waiting for the currently committing
+ * transaction to complete. If there is absolutely no way
+ * to make progress, this is either a BUG or corrupted
+ * filesystem, so abort the journal and leave a stack
+ * trace for forensic evidence.
*/
spin_lock(&journal->j_state_lock);
spin_lock(&journal->j_list_lock);
nblocks = jbd_space_needed(journal);
- if (__log_space_left(journal) < nblocks) {
+ space_left = __log_space_left(journal);
+ if (space_left < nblocks) {
int chkpt = journal->j_checkpoint_transactions != NULL;
+ tid_t tid = 0;
+ if (journal->j_committing_transaction)
+ tid = journal->j_committing_transaction->t_tid;
spin_unlock(&journal->j_list_lock);
spin_unlock(&journal->j_state_lock);
if (chkpt) {
log_do_checkpoint(journal);
+ } else if (cleanup_journal_tail(journal) == 0) {
+ /* We were able to recover space; yay! */
+ ;
+ } else if (tid) {
+ log_wait_commit(journal, tid);
} else {
- printk(KERN_ERR "%s: no transactions\n",
- __func__);
+ printk(KERN_ERR "%s: needed %d blocks and "
+ "only had %d space available\n",
+ __func__, nblocks, space_left);
+ printk(KERN_ERR "%s: no way to get more "
+ "journal space\n", __func__);
+ WARN_ON(1);
journal_abort(journal, 0);
}
-
spin_lock(&journal->j_state_lock);
} else {
spin_unlock(&journal->j_list_lock);
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 9203c3332f1..9497718fe92 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -116,7 +116,7 @@ static int __try_to_free_cp_buf(struct journal_head *jh)
*/
void __jbd2_log_wait_for_space(journal_t *journal)
{
- int nblocks;
+ int nblocks, space_left;
assert_spin_locked(&journal->j_state_lock);
nblocks = jbd_space_needed(journal);
@@ -129,25 +129,43 @@ void __jbd2_log_wait_for_space(journal_t *journal)
/*
* Test again, another process may have checkpointed while we
* were waiting for the checkpoint lock. If there are no
- * outstanding transactions there is nothing to checkpoint and
- * we can't make progress. Abort the journal in this case.
+ * transactions ready to be checkpointed, try to recover
+ * journal space by calling cleanup_journal_tail(), and if
+ * that doesn't work, by waiting for the currently committing
+ * transaction to complete. If there is absolutely no way
+ * to make progress, this is either a BUG or corrupted
+ * filesystem, so abort the journal and leave a stack
+ * trace for forensic evidence.
*/
spin_lock(&journal->j_state_lock);
spin_lock(&journal->j_list_lock);
nblocks = jbd_space_needed(journal);
- if (__jbd2_log_space_left(journal) < nblocks) {
+ space_left = __jbd2_log_space_left(journal);
+ if (space_left < nblocks) {
int chkpt = journal->j_checkpoint_transactions != NULL;
+ tid_t tid = 0;
+ if (journal->j_committing_transaction)
+ tid = journal->j_committing_transaction->t_tid;
spin_unlock(&journal->j_list_lock);
spin_unlock(&journal->j_state_lock);
if (chkpt) {
jbd2_log_do_checkpoint(journal);
+ } else if (jbd2_cleanup_journal_tail(journal) == 0) {
+ /* We were able to recover space; yay! */
+ ;
+ } else if (tid) {
+ jbd2_log_wait_commit(journal, tid);
} else {
- printk(KERN_ERR "%s: no transactions\n",
- __func__);
+ printk(KERN_ERR "%s: needed %d blocks and "
+ "only had %d space available\n",
+ __func__, nblocks, space_left);
+ printk(KERN_ERR "%s: no way to get more "
+ "journal space in %s\n", __func__,
+ journal->j_devname);
+ WARN_ON(1);
jbd2_journal_abort(journal, 0);
}
-
spin_lock(&journal->j_state_lock);
} else {
spin_unlock(&journal->j_list_lock);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 783de118de9..e70d657a19f 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1089,6 +1089,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
if (!journal->j_wbuf) {
printk(KERN_ERR "%s: Cant allocate bhs for commit thread\n",
__func__);
+ jbd2_stats_proc_exit(journal);
kfree(journal);
return NULL;
}
@@ -1098,6 +1099,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
if (err) {
printk(KERN_ERR "%s: Cannnot locate journal superblock\n",
__func__);
+ jbd2_stats_proc_exit(journal);
kfree(journal);
return NULL;
}
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 848a03e83a4..4433c8f0016 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1875,11 +1875,11 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
return -ENOMEM;
offset = *offsetp;
- cdp->err = nfserr_eof; /* will be cleared on successful read */
while (1) {
unsigned int reclen;
+ cdp->err = nfserr_eof; /* will be cleared on successful read */
buf.used = 0;
buf.full = 0;
@@ -1912,9 +1912,6 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
de = (struct buffered_dirent *)((char *)de + reclen);
}
offset = vfs_llseek(file, 0, SEEK_CUR);
- cdp->err = nfserr_eof;
- if (!buf.full)
- break;
}
done:
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 7efe937a415..e2570a3bc2b 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -247,8 +247,8 @@ int ocfs2_update_inode_atime(struct inode *inode,
mlog_entry_void();
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
- if (handle == NULL) {
- ret = -ENOMEM;
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
mlog_errno(ret);
goto out;
}
@@ -312,8 +312,8 @@ static int ocfs2_simple_size_update(struct inode *inode,
handle_t *handle = NULL;
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
- if (handle == NULL) {
- ret = -ENOMEM;
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
mlog_errno(ret);
goto out;
}
@@ -1055,8 +1055,8 @@ static int __ocfs2_write_remove_suid(struct inode *inode,
(unsigned long long)OCFS2_I(inode)->ip_blkno, inode->i_mode);
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
- if (handle == NULL) {
- ret = -ENOMEM;
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
mlog_errno(ret);
goto out;
}
@@ -1259,8 +1259,8 @@ static int __ocfs2_remove_inode_range(struct inode *inode,
}
handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
- if (handle == NULL) {
- ret = -ENOMEM;
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
mlog_errno(ret);
goto out;
}
@@ -1352,8 +1352,8 @@ static int ocfs2_zero_partial_clusters(struct inode *inode,
goto out;
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
- if (handle == NULL) {
- ret = -ENOMEM;
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
mlog_errno(ret);
goto out;
}
@@ -1866,6 +1866,13 @@ relock:
written = generic_file_direct_write(iocb, iov, &nr_segs, *ppos,
ppos, count, ocount);
if (written < 0) {
+ /*
+ * direct write may have instantiated a few
+ * blocks outside i_size. Trim these off again.
+ * Don't need i_size_read because we hold i_mutex.
+ */
+ if (*ppos + count > inode->i_size)
+ vmtruncate(inode, inode->i_size);
ret = written;
goto out_dio;
}
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 4903688f72a..7aa00d51187 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1106,6 +1106,12 @@ void ocfs2_clear_inode(struct inode *inode)
oi->ip_last_trans = 0;
oi->ip_dir_start_lookup = 0;
oi->ip_blkno = 0ULL;
+
+ /*
+ * ip_jinode is used to track txns against this inode. We ensure that
+ * the journal is flushed before journal shutdown. Thus it is safe to
+ * have inodes get cleaned up after journal shutdown.
+ */
jbd2_journal_release_jbd_inode(OCFS2_SB(inode->i_sb)->journal->j_journal,
&oi->ip_jinode);
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 81e40677eec..99fe9d584f3 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -690,6 +690,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
/* Shutdown the kernel journal system */
jbd2_journal_destroy(journal->j_journal);
+ journal->j_journal = NULL;
OCFS2_I(inode)->ip_open_count--;
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 3dc18d67557..eea1d24713e 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -113,7 +113,11 @@ static int __ocfs2_page_mkwrite(struct inode *inode, struct buffer_head *di_bh,
* ocfs2_write_begin_nolock().
*/
if (!PageUptodate(page) || page->mapping != inode->i_mapping) {
- ret = -EINVAL;
+ /*
+ * the page has been umapped in ocfs2_data_downconvert_worker.
+ * So return 0 here and let VFS retry.
+ */
+ ret = 0;
goto out;
}
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 485a6aa0ad3..f4967e634ff 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -378,8 +378,8 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
}
inode = new_inode(dir->i_sb);
- if (IS_ERR(inode)) {
- status = PTR_ERR(inode);
+ if (!inode) {
+ status = -ENOMEM;
mlog(ML_ERROR, "new_inode failed!\n");
goto leave;
}
@@ -491,8 +491,10 @@ leave:
brelse(*new_fe_bh);
*new_fe_bh = NULL;
}
- if (inode)
+ if (inode) {
+ clear_nlink(inode);
iput(inode);
+ }
}
mlog_exit(status);
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index a21a465490c..fef7ece3237 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -473,6 +473,9 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)
(____gd)->bg_signature); \
} while (0)
+#define OCFS2_IS_VALID_XATTR_BLOCK(ptr) \
+ (!strcmp((ptr)->xb_signature, OCFS2_XATTR_BLOCK_SIGNATURE))
+
static inline unsigned long ino_from_blkno(struct super_block *sb,
u64 blkno)
{
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index f24ce3d3f95..5f180cf7abb 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -742,12 +742,12 @@ struct ocfs2_group_desc
*/
struct ocfs2_xattr_entry {
__le32 xe_name_hash; /* hash value of xattr prefix+suffix. */
- __le16 xe_name_offset; /* byte offset from the 1st etnry in the local
+ __le16 xe_name_offset; /* byte offset from the 1st entry in the
local xattr storage(inode, xattr block or
xattr bucket). */
__u8 xe_name_len; /* xattr name len, does't include prefix. */
- __u8 xe_type; /* the low 7 bits indicates the name prefix's
- * type and the highest 1 bits indicate whether
+ __u8 xe_type; /* the low 7 bits indicate the name prefix
+ * type and the highest bit indicates whether
* the EA is stored in the local storage. */
__le64 xe_value_size; /* real xattr value length. */
};
@@ -766,9 +766,10 @@ struct ocfs2_xattr_header {
xattr. */
__le16 xh_name_value_len; /* total length of name/value
length in this bucket. */
- __le16 xh_num_buckets; /* bucket nums in one extent
- record, only valid in the
- first bucket. */
+ __le16 xh_num_buckets; /* Number of xattr buckets
+ in this extent record,
+ only valid in the first
+ bucket. */
__le64 xh_csum;
struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */
};
@@ -776,8 +777,8 @@ struct ocfs2_xattr_header {
/*
* On disk structure for xattr value root.
*
- * It is used when one extended attribute's size is larger, and we will save it
- * in an outside cluster. It will stored in a b-tree like file content.
+ * When an xattr's value is large enough, it is stored in an external
+ * b-tree like file data. The xattr value root points to this structure.
*/
struct ocfs2_xattr_value_root {
/*00*/ __le32 xr_clusters; /* clusters covered by xattr value. */
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 802c4149221..054e2efb0b7 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -3,25 +3,20 @@
*
* xattr.c
*
- * Copyright (C) 2008 Oracle. All rights reserved.
+ * Copyright (C) 2004, 2008 Oracle. All rights reserved.
*
* CREDITS:
- * Lots of code in this file is taken from ext3.
+ * Lots of code in this file is copy from linux/fs/ext3/xattr.c.
+ * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * License version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
*/
#include <linux/capability.h>
@@ -83,7 +78,7 @@ struct xattr_handler *ocfs2_xattr_handlers[] = {
NULL
};
-static struct xattr_handler *ocfs2_xattr_handler_map[] = {
+static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
[OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler,
[OCFS2_XATTR_INDEX_TRUSTED] = &ocfs2_xattr_trusted_handler,
};
@@ -116,6 +111,10 @@ static int ocfs2_xattr_bucket_get_name_value(struct inode *inode,
int *block_off,
int *new_offset);
+static int ocfs2_xattr_block_find(struct inode *inode,
+ int name_index,
+ const char *name,
+ struct ocfs2_xattr_search *xs);
static int ocfs2_xattr_index_block_find(struct inode *inode,
struct buffer_head *root_bh,
int name_index,
@@ -137,6 +136,24 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
static int ocfs2_delete_xattr_index_block(struct inode *inode,
struct buffer_head *xb_bh);
+static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb)
+{
+ return (1 << osb->s_clustersize_bits) / OCFS2_XATTR_BUCKET_SIZE;
+}
+
+static inline u16 ocfs2_blocks_per_xattr_bucket(struct super_block *sb)
+{
+ return OCFS2_XATTR_BUCKET_SIZE / (1 << sb->s_blocksize_bits);
+}
+
+static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb)
+{
+ u16 len = sb->s_blocksize -
+ offsetof(struct ocfs2_xattr_header, xh_entries);
+
+ return len / sizeof(struct ocfs2_xattr_entry);
+}
+
static inline const char *ocfs2_xattr_prefix(int name_index)
{
struct xattr_handler *handler = NULL;
@@ -542,14 +559,12 @@ static int ocfs2_xattr_block_list(struct inode *inode,
mlog_errno(ret);
return ret;
}
- /*Verify the signature of xattr block*/
- if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE,
- strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) {
- ret = -EFAULT;
- goto cleanup;
- }
xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
+ if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
+ ret = -EIO;
+ goto cleanup;
+ }
if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
struct ocfs2_xattr_header *header = &xb->xb_attrs.xb_header;
@@ -749,47 +764,25 @@ static int ocfs2_xattr_block_get(struct inode *inode,
size_t buffer_size,
struct ocfs2_xattr_search *xs)
{
- struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
- struct buffer_head *blk_bh = NULL;
struct ocfs2_xattr_block *xb;
struct ocfs2_xattr_value_root *xv;
size_t size;
int ret = -ENODATA, name_offset, name_len, block_off, i;
- if (!di->i_xattr_loc)
- return ret;
-
memset(&xs->bucket, 0, sizeof(xs->bucket));
- ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh);
- if (ret < 0) {
+ ret = ocfs2_xattr_block_find(inode, name_index, name, xs);
+ if (ret) {
mlog_errno(ret);
- return ret;
- }
- /*Verify the signature of xattr block*/
- if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE,
- strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) {
- ret = -EFAULT;
goto cleanup;
}
- xs->xattr_bh = blk_bh;
- xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
-
- if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
- xs->header = &xb->xb_attrs.xb_header;
- xs->base = (void *)xs->header;
- xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size;
- xs->here = xs->header->xh_entries;
-
- ret = ocfs2_xattr_find_entry(name_index, name, xs);
- } else
- ret = ocfs2_xattr_index_block_find(inode, blk_bh,
- name_index,
- name, xs);
-
- if (ret)
+ if (xs->not_found) {
+ ret = -ENODATA;
goto cleanup;
+ }
+
+ xb = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
size = le64_to_cpu(xs->here->xe_value_size);
if (buffer) {
ret = -ERANGE;
@@ -828,7 +821,8 @@ cleanup:
brelse(xs->bucket.bhs[i]);
memset(&xs->bucket, 0, sizeof(xs->bucket));
- brelse(blk_bh);
+ brelse(xs->xattr_bh);
+ xs->xattr_bh = NULL;
return ret;
}
@@ -837,11 +831,11 @@ cleanup:
* Copy an extended attribute into the buffer provided.
* Buffer is NULL to compute the size of buffer required.
*/
-int ocfs2_xattr_get(struct inode *inode,
- int name_index,
- const char *name,
- void *buffer,
- size_t buffer_size)
+static int ocfs2_xattr_get(struct inode *inode,
+ int name_index,
+ const char *name,
+ void *buffer,
+ size_t buffer_size)
{
int ret;
struct ocfs2_dinode *di = NULL;
@@ -871,7 +865,7 @@ int ocfs2_xattr_get(struct inode *inode,
down_read(&oi->ip_xattr_sem);
ret = ocfs2_xattr_ibody_get(inode, name_index, name, buffer,
buffer_size, &xis);
- if (ret == -ENODATA)
+ if (ret == -ENODATA && di->i_xattr_loc)
ret = ocfs2_xattr_block_get(inode, name_index, name, buffer,
buffer_size, &xbs);
up_read(&oi->ip_xattr_sem);
@@ -1229,7 +1223,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode,
free = min_offs - ((void *)last - xs->base) - sizeof(__u32);
if (free < 0)
- return -EFAULT;
+ return -EIO;
if (!xs->not_found) {
size_t size = 0;
@@ -1514,10 +1508,9 @@ static int ocfs2_xattr_free_block(struct inode *inode,
goto out;
}
- /*Verify the signature of xattr block*/
- if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE,
- strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) {
- ret = -EFAULT;
+ xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
+ if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
+ ret = -EIO;
goto out;
}
@@ -1527,7 +1520,6 @@ static int ocfs2_xattr_free_block(struct inode *inode,
goto out;
}
- xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
blk = le64_to_cpu(xb->xb_blkno);
bit = le16_to_cpu(xb->xb_suballoc_bit);
bg_blkno = ocfs2_which_suballoc_group(blk, bit);
@@ -1771,15 +1763,14 @@ static int ocfs2_xattr_block_find(struct inode *inode,
mlog_errno(ret);
return ret;
}
- /*Verify the signature of xattr block*/
- if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE,
- strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) {
- ret = -EFAULT;
- goto cleanup;
+
+ xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
+ if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) {
+ ret = -EIO;
+ goto cleanup;
}
xs->xattr_bh = blk_bh;
- xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) {
xs->header = &xb->xb_attrs.xb_header;
@@ -1806,52 +1797,6 @@ cleanup:
}
/*
- * When all the xattrs are deleted from index btree, the ocfs2_xattr_tree
- * will be erased and ocfs2_xattr_block will have its ocfs2_xattr_header
- * re-initialized.
- */
-static int ocfs2_restore_xattr_block(struct inode *inode,
- struct ocfs2_xattr_search *xs)
-{
- int ret;
- handle_t *handle;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- struct ocfs2_xattr_block *xb =
- (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
- struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list;
- u16 xb_flags = le16_to_cpu(xb->xb_flags);
-
- BUG_ON(!(xb_flags & OCFS2_XATTR_INDEXED) ||
- le16_to_cpu(el->l_next_free_rec) != 0);
-
- handle = ocfs2_start_trans(osb, OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- handle = NULL;
- goto out;
- }
-
- ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
- OCFS2_JOURNAL_ACCESS_WRITE);
- if (ret < 0) {
- mlog_errno(ret);
- goto out_commit;
- }
-
- memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize -
- offsetof(struct ocfs2_xattr_block, xb_attrs));
-
- xb->xb_flags = cpu_to_le16(xb_flags & ~OCFS2_XATTR_INDEXED);
-
- ocfs2_journal_dirty(handle, xs->xattr_bh);
-
-out_commit:
- ocfs2_commit_trans(osb, handle);
-out:
- return ret;
-}
-
-/*
* ocfs2_xattr_block_set()
*
* Set, replace or remove an extended attribute into external block.
@@ -1961,8 +1906,6 @@ out:
}
ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs);
- if (!ret && xblk->xb_attrs.xb_root.xt_list.l_next_free_rec == 0)
- ret = ocfs2_restore_xattr_block(inode, xs);
end:
@@ -2398,7 +2341,8 @@ static int ocfs2_xattr_index_block_find(struct inode *inode,
BUG_ON(p_blkno == 0 || num_clusters == 0 || first_hash > name_hash);
mlog(0, "find xattr extent rec %u clusters from %llu, the first hash "
- "in the rec is %u\n", num_clusters, p_blkno, first_hash);
+ "in the rec is %u\n", num_clusters, (unsigned long long)p_blkno,
+ first_hash);
ret = ocfs2_xattr_bucket_find(inode, name_index, name, name_hash,
p_blkno, first_hash, num_clusters, xs);
@@ -2422,7 +2366,7 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode,
memset(&bucket, 0, sizeof(bucket));
mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n",
- clusters, blkno);
+ clusters, (unsigned long long)blkno);
for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) {
ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket,
@@ -2440,7 +2384,8 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode,
if (i == 0)
num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets);
- mlog(0, "iterating xattr bucket %llu, first hash %u\n", blkno,
+ mlog(0, "iterating xattr bucket %llu, first hash %u\n",
+ (unsigned long long)blkno,
le32_to_cpu(bucket.xh->xh_entries[0].xe_name_hash));
if (func) {
ret = func(inode, &bucket, para);
@@ -2776,7 +2721,8 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
*/
blkno = ocfs2_clusters_to_blocks(inode->i_sb, bit_off);
- mlog(0, "allocate 1 cluster from %llu to xattr block\n", blkno);
+ mlog(0, "allocate 1 cluster from %llu to xattr block\n",
+ (unsigned long long)blkno);
xh_bh = sb_getblk(inode->i_sb, blkno);
if (!xh_bh) {
@@ -2818,7 +2764,11 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
if (data_bh)
ocfs2_journal_dirty(handle, data_bh);
- ocfs2_xattr_update_xattr_search(inode, xs, xb_bh, xh_bh);
+ ret = ocfs2_xattr_update_xattr_search(inode, xs, xb_bh, xh_bh);
+ if (ret) {
+ mlog_errno(ret);
+ goto out_commit;
+ }
/* Change from ocfs2_xattr_header to ocfs2_xattr_tree_root */
memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize -
@@ -2941,8 +2891,8 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode,
mlog(0, "adjust xattr bucket in %llu, count = %u, "
"xh_free_start = %u, xh_name_value_len = %u.\n",
- blkno, le16_to_cpu(xh->xh_count), xh_free_start,
- le16_to_cpu(xh->xh_name_value_len));
+ (unsigned long long)blkno, le16_to_cpu(xh->xh_count),
+ xh_free_start, le16_to_cpu(xh->xh_name_value_len));
/*
* sort all the entries by their offset.
@@ -3058,7 +3008,7 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode,
prev_blkno += (num_clusters - 1) * bpc + bpc / 2;
mlog(0, "move half of xattrs in cluster %llu to %llu\n",
- prev_blkno, new_blkno);
+ (unsigned long long)prev_blkno, (unsigned long long)new_blkno);
/*
* We need to update the 1st half of the new cluster and
@@ -3168,26 +3118,74 @@ static int ocfs2_read_xattr_bucket(struct inode *inode,
}
/*
- * Move half num of the xattrs in old bucket(blk) to new bucket(new_blk).
+ * Find the suitable pos when we divide a bucket into 2.
+ * We have to make sure the xattrs with the same hash value exist
+ * in the same bucket.
+ *
+ * If this ocfs2_xattr_header covers more than one hash value, find a
+ * place where the hash value changes. Try to find the most even split.
+ * The most common case is that all entries have different hash values,
+ * and the first check we make will find a place to split.
+ */
+static int ocfs2_xattr_find_divide_pos(struct ocfs2_xattr_header *xh)
+{
+ struct ocfs2_xattr_entry *entries = xh->xh_entries;
+ int count = le16_to_cpu(xh->xh_count);
+ int delta, middle = count / 2;
+
+ /*
+ * We start at the middle. Each step gets farther away in both
+ * directions. We therefore hit the change in hash value
+ * nearest to the middle. Note that this loop does not execute for
+ * count < 2.
+ */
+ for (delta = 0; delta < middle; delta++) {
+ /* Let's check delta earlier than middle */
+ if (cmp_xe(&entries[middle - delta - 1],
+ &entries[middle - delta]))
+ return middle - delta;
+
+ /* For even counts, don't walk off the end */
+ if ((middle + delta + 1) == count)
+ continue;
+
+ /* Now try delta past middle */
+ if (cmp_xe(&entries[middle + delta],
+ &entries[middle + delta + 1]))
+ return middle + delta + 1;
+ }
+
+ /* Every entry had the same hash */
+ return count;
+}
+
+/*
+ * Move some xattrs in old bucket(blk) to new bucket(new_blk).
* first_hash will record the 1st hash of the new bucket.
+ *
+ * Normally half of the xattrs will be moved. But we have to make
+ * sure that the xattrs with the same hash value are stored in the
+ * same bucket. If all the xattrs in this bucket have the same hash
+ * value, the new bucket will be initialized as an empty one and the
+ * first_hash will be initialized as (hash_value+1).
*/
-static int ocfs2_half_xattr_bucket(struct inode *inode,
- handle_t *handle,
- u64 blk,
- u64 new_blk,
- u32 *first_hash,
- int new_bucket_head)
+static int ocfs2_divide_xattr_bucket(struct inode *inode,
+ handle_t *handle,
+ u64 blk,
+ u64 new_blk,
+ u32 *first_hash,
+ int new_bucket_head)
{
int ret, i;
- u16 count, start, len, name_value_len, xe_len, name_offset;
+ int count, start, len, name_value_len = 0, xe_len, name_offset = 0;
u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
struct buffer_head **s_bhs, **t_bhs = NULL;
struct ocfs2_xattr_header *xh;
struct ocfs2_xattr_entry *xe;
int blocksize = inode->i_sb->s_blocksize;
- mlog(0, "move half of xattrs from bucket %llu to %llu\n",
- blk, new_blk);
+ mlog(0, "move some of xattrs from bucket %llu to %llu\n",
+ (unsigned long long)blk, (unsigned long long)new_blk);
s_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS);
if (!s_bhs)
@@ -3220,21 +3218,44 @@ static int ocfs2_half_xattr_bucket(struct inode *inode,
for (i = 0; i < blk_per_bucket; i++) {
ret = ocfs2_journal_access(handle, inode, t_bhs[i],
- OCFS2_JOURNAL_ACCESS_CREATE);
+ new_bucket_head ?
+ OCFS2_JOURNAL_ACCESS_CREATE :
+ OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
goto out;
}
}
+ xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data;
+ count = le16_to_cpu(xh->xh_count);
+ start = ocfs2_xattr_find_divide_pos(xh);
+
+ if (start == count) {
+ xe = &xh->xh_entries[start-1];
+
+ /*
+ * initialized a new empty bucket here.
+ * The hash value is set as one larger than
+ * that of the last entry in the previous bucket.
+ */
+ for (i = 0; i < blk_per_bucket; i++)
+ memset(t_bhs[i]->b_data, 0, blocksize);
+
+ xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data;
+ xh->xh_free_start = cpu_to_le16(blocksize);
+ xh->xh_entries[0].xe_name_hash = xe->xe_name_hash;
+ le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1);
+
+ goto set_num_buckets;
+ }
+
/* copy the whole bucket to the new first. */
for (i = 0; i < blk_per_bucket; i++)
memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize);
/* update the new bucket. */
xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data;
- count = le16_to_cpu(xh->xh_count);
- start = count / 2;
/*
* Calculate the total name/value len and xh_free_start for
@@ -3291,6 +3312,7 @@ static int ocfs2_half_xattr_bucket(struct inode *inode,
xh->xh_free_start = xe->xe_name_offset;
}
+set_num_buckets:
/* set xh->xh_num_buckets for the new xh. */
if (new_bucket_head)
xh->xh_num_buckets = cpu_to_le16(1);
@@ -3308,9 +3330,13 @@ static int ocfs2_half_xattr_bucket(struct inode *inode,
*first_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash);
/*
- * Now only update the 1st block of the old bucket.
- * Please note that the entry has been sorted already above.
+ * Now only update the 1st block of the old bucket. If we
+ * just added a new empty bucket, there is no need to modify
+ * it.
*/
+ if (start == count)
+ goto out;
+
xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data;
memset(&xh->xh_entries[start], 0,
sizeof(struct ocfs2_xattr_entry) * (count - start));
@@ -3358,7 +3384,8 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
BUG_ON(s_blkno == t_blkno);
mlog(0, "cp bucket %llu to %llu, target is %d\n",
- s_blkno, t_blkno, t_is_new);
+ (unsigned long long)s_blkno, (unsigned long long)t_blkno,
+ t_is_new);
s_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket,
GFP_NOFS);
@@ -3382,6 +3409,8 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode,
for (i = 0; i < blk_per_bucket; i++) {
ret = ocfs2_journal_access(handle, inode, t_bhs[i],
+ t_is_new ?
+ OCFS2_JOURNAL_ACCESS_CREATE :
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret)
goto out;
@@ -3428,7 +3457,8 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode,
struct ocfs2_xattr_header *xh;
u64 to_blk_start = to_blk;
- mlog(0, "cp xattrs from cluster %llu to %llu\n", src_blk, to_blk);
+ mlog(0, "cp xattrs from cluster %llu to %llu\n",
+ (unsigned long long)src_blk, (unsigned long long)to_blk);
/*
* We need to update the new cluster and 1 more for the update of
@@ -3493,15 +3523,15 @@ out:
}
/*
- * Move half of the xattrs in this cluster to the new cluster.
+ * Move some xattrs in this cluster to the new cluster.
* This function should only be called when bucket size == cluster size.
* Otherwise ocfs2_mv_xattr_bucket_cross_cluster should be used instead.
*/
-static int ocfs2_half_xattr_cluster(struct inode *inode,
- handle_t *handle,
- u64 prev_blk,
- u64 new_blk,
- u32 *first_hash)
+static int ocfs2_divide_xattr_cluster(struct inode *inode,
+ handle_t *handle,
+ u64 prev_blk,
+ u64 new_blk,
+ u32 *first_hash)
{
u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
int ret, credits = 2 * blk_per_bucket;
@@ -3515,8 +3545,8 @@ static int ocfs2_half_xattr_cluster(struct inode *inode,
}
/* Move half of the xattr in start_blk to the next bucket. */
- return ocfs2_half_xattr_bucket(inode, handle, prev_blk,
- new_blk, first_hash, 1);
+ return ocfs2_divide_xattr_bucket(inode, handle, prev_blk,
+ new_blk, first_hash, 1);
}
/*
@@ -3559,7 +3589,8 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode,
int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
mlog(0, "adjust xattrs from cluster %llu len %u to %llu\n",
- prev_blk, prev_clusters, new_blk);
+ (unsigned long long)prev_blk, prev_clusters,
+ (unsigned long long)new_blk);
if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1)
ret = ocfs2_mv_xattr_bucket_cross_cluster(inode,
@@ -3578,9 +3609,9 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode,
last_blk, new_blk,
v_start);
else {
- ret = ocfs2_half_xattr_cluster(inode, handle,
- last_blk, new_blk,
- v_start);
+ ret = ocfs2_divide_xattr_cluster(inode, handle,
+ last_blk, new_blk,
+ v_start);
if ((*header_bh)->b_blocknr == last_blk && extend)
*extend = 0;
@@ -3629,7 +3660,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, "
"previous xattr blkno = %llu\n",
(unsigned long long)OCFS2_I(inode)->ip_blkno,
- prev_cpos, prev_blkno);
+ prev_cpos, (unsigned long long)prev_blkno);
ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh);
@@ -3716,7 +3747,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
}
}
mlog(0, "Insert %u clusters at block %llu for xattr at %u\n",
- num_bits, block, v_start);
+ num_bits, (unsigned long long)block, v_start);
ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block,
num_bits, 0, meta_ac);
if (ret < 0) {
@@ -3761,7 +3792,7 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode,
u16 bucket = le16_to_cpu(first_xh->xh_num_buckets);
mlog(0, "extend xattr bucket in %llu, xattr extend rec starting "
- "from %llu, len = %u\n", start_blk,
+ "from %llu, len = %u\n", (unsigned long long)start_blk,
(unsigned long long)first_bh->b_blocknr, num_clusters);
BUG_ON(bucket >= num_buckets);
@@ -3797,8 +3828,8 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode,
}
/* Move half of the xattr in start_blk to the next bucket. */
- ret = ocfs2_half_xattr_bucket(inode, handle, start_blk,
- start_blk + blk_per_bucket, NULL, 0);
+ ret = ocfs2_divide_xattr_bucket(inode, handle, start_blk,
+ start_blk + blk_per_bucket, NULL, 0);
le16_add_cpu(&first_xh->xh_num_buckets, 1);
ocfs2_journal_dirty(handle, first_bh);
@@ -4146,7 +4177,7 @@ static int ocfs2_xattr_value_update_size(struct inode *inode,
handle_t *handle = NULL;
handle = ocfs2_start_trans(osb, 1);
- if (handle == NULL) {
+ if (IS_ERR(handle)) {
ret = -ENOMEM;
mlog_errno(ret);
goto out;
@@ -4313,7 +4344,7 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode,
}
handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
- if (handle == NULL) {
+ if (IS_ERR(handle)) {
ret = -ENOMEM;
mlog_errno(ret);
goto out;
@@ -4489,11 +4520,21 @@ out:
return ret;
}
-/* check whether the xattr bucket is filled up with the same hash value. */
+/*
+ * check whether the xattr bucket is filled up with the same hash value.
+ * If we want to insert the xattr with the same hash, return -ENOSPC.
+ * If we want to insert a xattr with different hash value, go ahead
+ * and ocfs2_divide_xattr_bucket will handle this.
+ */
static int ocfs2_check_xattr_bucket_collision(struct inode *inode,
- struct ocfs2_xattr_bucket *bucket)
+ struct ocfs2_xattr_bucket *bucket,
+ const char *name)
{
struct ocfs2_xattr_header *xh = bucket->xh;
+ u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name));
+
+ if (name_hash != le32_to_cpu(xh->xh_entries[0].xe_name_hash))
+ return 0;
if (xh->xh_entries[le16_to_cpu(xh->xh_count) - 1].xe_name_hash ==
xh->xh_entries[0].xe_name_hash) {
@@ -4616,7 +4657,9 @@ try_again:
* one bucket's worth, so check it here whether we need to
* add a new bucket for the insert.
*/
- ret = ocfs2_check_xattr_bucket_collision(inode, &xs->bucket);
+ ret = ocfs2_check_xattr_bucket_collision(inode,
+ &xs->bucket,
+ xi->name);
if (ret) {
mlog_errno(ret);
goto out;
@@ -4727,14 +4770,11 @@ out:
/*
* 'trusted' attributes support
*/
-
-#define XATTR_TRUSTED_PREFIX "trusted."
-
static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list,
size_t list_size, const char *name,
size_t name_len)
{
- const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1;
+ const size_t prefix_len = XATTR_TRUSTED_PREFIX_LEN;
const size_t total_len = prefix_len + name_len + 1;
if (list && total_len <= list_size) {
@@ -4771,18 +4811,14 @@ struct xattr_handler ocfs2_xattr_trusted_handler = {
.set = ocfs2_xattr_trusted_set,
};
-
/*
* 'user' attributes support
*/
-
-#define XATTR_USER_PREFIX "user."
-
static size_t ocfs2_xattr_user_list(struct inode *inode, char *list,
size_t list_size, const char *name,
size_t name_len)
{
- const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1;
+ const size_t prefix_len = XATTR_USER_PREFIX_LEN;
const size_t total_len = prefix_len + name_len + 1;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h
index c25c7c62a05..1d8314c7656 100644
--- a/fs/ocfs2/xattr.h
+++ b/fs/ocfs2/xattr.h
@@ -3,24 +3,16 @@
*
* xattr.h
*
- * Function prototypes
- *
- * Copyright (C) 2008 Oracle. All rights reserved.
+ * Copyright (C) 2004, 2008 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * License version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
*/
#ifndef OCFS2_XATTR_H
@@ -40,29 +32,11 @@ enum ocfs2_xattr_type {
extern struct xattr_handler ocfs2_xattr_user_handler;
extern struct xattr_handler ocfs2_xattr_trusted_handler;
-
-extern ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
-extern int ocfs2_xattr_get(struct inode *, int, const char *, void *, size_t);
-extern int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
- size_t, int);
-extern int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh);
extern struct xattr_handler *ocfs2_xattr_handlers[];
-static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb)
-{
- return (1 << osb->s_clustersize_bits) / OCFS2_XATTR_BUCKET_SIZE;
-}
-
-static inline u16 ocfs2_blocks_per_xattr_bucket(struct super_block *sb)
-{
- return OCFS2_XATTR_BUCKET_SIZE / (1 << sb->s_blocksize_bits);
-}
-
-static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb)
-{
- u16 len = sb->s_blocksize -
- offsetof(struct ocfs2_xattr_header, xh_entries);
+ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);
+int ocfs2_xattr_set(struct inode *, int, const char *, const void *,
+ size_t, int);
+int ocfs2_xattr_remove(struct inode *, struct buffer_head *);
- return len / sizeof(struct ocfs2_xattr_entry);
-}
#endif /* OCFS2_XATTR_H */
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 9e561a9cefc..a11a8390bf6 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -1566,11 +1566,14 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno)
int nmap, error, w, count, c, got, i, mapi;
xfs_trans_t *tp;
xfs_mount_t *mp;
+ xfs_drfsbno_t nblks;
dp = args->dp;
mp = dp->i_mount;
w = args->whichfork;
tp = args->trans;
+ nblks = dp->i_d.di_nblocks;
+
/*
* For new directories adjust the file offset and block count.
*/
@@ -1647,6 +1650,8 @@ xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno)
}
if (mapp != &map)
kmem_free(mapp);
+ /* account for newly allocated blocks in reserved blocks total */
+ args->total -= dp->i_d.di_nblocks - nblks;
*new_blkno = (xfs_dablk_t)bno;
return 0;
}
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index 80e0dc51361..1afb12278b8 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -525,11 +525,13 @@ xfs_dir2_grow_inode(
xfs_mount_t *mp;
int nmap; /* number of bmap entries */
xfs_trans_t *tp;
+ xfs_drfsbno_t nblks;
xfs_dir2_trace_args_s("grow_inode", args, space);
dp = args->dp;
tp = args->trans;
mp = dp->i_mount;
+ nblks = dp->i_d.di_nblocks;
/*
* Set lowest possible block in the space requested.
*/
@@ -622,7 +624,11 @@ xfs_dir2_grow_inode(
*/
if (mapp != &map)
kmem_free(mapp);
+
+ /* account for newly allocated blocks in reserved blocks total */
+ args->total -= dp->i_d.di_nblocks - nblks;
*dbp = xfs_dir2_da_to_db(mp, (xfs_dablk_t)bno);
+
/*
* Update file's size if this is the data space and it grew.
*/
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index dbd9cef852e..a391b955df0 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1414,7 +1414,7 @@ xfs_itruncate_start(
mp = ip->i_mount;
/* wait for the completion of any pending DIOs */
- if (new_size < ip->i_size)
+ if (new_size == 0 || new_size < ip->i_size)
vn_iowait(ip);
/*
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 0b02c644355..3608a0f0a5f 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -563,6 +563,11 @@ xfs_log_mount(
}
mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks);
+ if (!mp->m_log) {
+ cmn_err(CE_WARN, "XFS: Log allocation failed: No memory!");
+ error = ENOMEM;
+ goto out;
+ }
/*
* Initialize the AIL now we have a log.
@@ -601,6 +606,7 @@ xfs_log_mount(
return 0;
error:
xfs_log_unmount_dealloc(mp);
+out:
return error;
} /* xfs_log_mount */
@@ -1217,7 +1223,9 @@ xlog_alloc_log(xfs_mount_t *mp,
int i;
int iclogsize;
- log = (xlog_t *)kmem_zalloc(sizeof(xlog_t), KM_SLEEP);
+ log = kmem_zalloc(sizeof(xlog_t), KM_MAYFAIL);
+ if (!log)
+ return NULL;
log->l_mp = mp;
log->l_targ = log_target;
@@ -1249,6 +1257,8 @@ xlog_alloc_log(xfs_mount_t *mp,
xlog_get_iclog_buffer_size(mp, log);
bp = xfs_buf_get_empty(log->l_iclog_size, mp->m_logdev_targp);
+ if (!bp)
+ goto out_free_log;
XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone);
XFS_BUF_SET_BDSTRAT_FUNC(bp, xlog_bdstrat_cb);
XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1);
@@ -1275,13 +1285,17 @@ xlog_alloc_log(xfs_mount_t *mp,
iclogsize = log->l_iclog_size;
ASSERT(log->l_iclog_size >= 4096);
for (i=0; i < log->l_iclog_bufs; i++) {
- *iclogp = (xlog_in_core_t *)
- kmem_zalloc(sizeof(xlog_in_core_t), KM_SLEEP);
+ *iclogp = kmem_zalloc(sizeof(xlog_in_core_t), KM_MAYFAIL);
+ if (!*iclogp)
+ goto out_free_iclog;
+
iclog = *iclogp;
iclog->ic_prev = prev_iclog;
prev_iclog = iclog;
bp = xfs_buf_get_noaddr(log->l_iclog_size, mp->m_logdev_targp);
+ if (!bp)
+ goto out_free_iclog;
if (!XFS_BUF_CPSEMA(bp))
ASSERT(0);
XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone);
@@ -1323,6 +1337,25 @@ xlog_alloc_log(xfs_mount_t *mp,
log->l_iclog->ic_prev = prev_iclog; /* re-write 1st prev ptr */
return log;
+
+out_free_iclog:
+ for (iclog = log->l_iclog; iclog; iclog = prev_iclog) {
+ prev_iclog = iclog->ic_next;
+ if (iclog->ic_bp) {
+ sv_destroy(&iclog->ic_force_wait);
+ sv_destroy(&iclog->ic_write_wait);
+ xfs_buf_free(iclog->ic_bp);
+ xlog_trace_iclog_dealloc(iclog);
+ }
+ kmem_free(iclog);
+ }
+ spinlock_destroy(&log->l_icloglock);
+ spinlock_destroy(&log->l_grant_lock);
+ xlog_trace_loggrant_dealloc(log);
+ xfs_buf_free(log->l_xbuf);
+out_free_log:
+ kmem_free(log);
+ return NULL;
} /* xlog_alloc_log */
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 82d46ce69d5..70e3ba32e6b 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1419,7 +1419,13 @@ xlog_recover_add_to_trans(
return 0;
item = trans->r_itemq;
if (item == NULL) {
- ASSERT(*(uint *)dp == XFS_TRANS_HEADER_MAGIC);
+ /* we need to catch log corruptions here */
+ if (*(uint *)dp != XFS_TRANS_HEADER_MAGIC) {
+ xlog_warn("XFS: xlog_recover_add_to_trans: "
+ "bad header magic number");
+ ASSERT(0);
+ return XFS_ERROR(EIO);
+ }
if (len == sizeof(xfs_trans_header_t))
xlog_recover_add_item(&trans->r_itemq);
memcpy(&trans->r_theader, dp, len); /* d, s, l */
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index a4503f5e949..15f5dd22fbb 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1245,6 +1245,9 @@ xfs_unmountfs(
XFS_QM_DQPURGEALL(mp, XFS_QMOPT_QUOTALL | XFS_QMOPT_UMOUNTING);
+ if (mp->m_quotainfo)
+ XFS_QM_DONE(mp);
+
/*
* Flush out the log synchronously so that we know for sure
* that nothing is pinned. This is important because bflush()
@@ -1297,8 +1300,6 @@ xfs_unmountfs(
xfs_errortag_clearall(mp, 0);
#endif
xfs_free_perag(mp);
- if (mp->m_quotainfo)
- XFS_QM_DONE(mp);
}
STATIC void
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 09:25:34 +0000