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-rw-r--r--fs/ext2/balloc.c11
-rw-r--r--fs/ext2/dir.c23
-rw-r--r--fs/ext2/ext2.h5
-rw-r--r--fs/ext2/ialloc.c13
-rw-r--r--fs/ext2/inode.c87
-rw-r--r--fs/ext2/super.c14
-rw-r--r--fs/ext2/xattr.c25
7 files changed, 80 insertions, 98 deletions
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index e8766a39677..c6c684b44ea 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -571,7 +571,7 @@ do_more:
error_return:
brelse(bitmap_bh);
release_blocks(sb, freed);
- dquot_free_block(inode, freed);
+ dquot_free_block_nodirty(inode, freed);
}
/**
@@ -1418,7 +1418,8 @@ allocated:
*errp = 0;
brelse(bitmap_bh);
- dquot_free_block(inode, *count-num);
+ dquot_free_block_nodirty(inode, *count-num);
+ mark_inode_dirty(inode);
*count = num;
return ret_block;
@@ -1428,8 +1429,10 @@ out:
/*
* Undo the block allocation
*/
- if (!performed_allocation)
- dquot_free_block(inode, *count);
+ if (!performed_allocation) {
+ dquot_free_block_nodirty(inode, *count);
+ mark_inode_dirty(inode);
+ }
brelse(bitmap_bh);
return 0;
}
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 7516957273e..764109886ec 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -448,6 +448,11 @@ ino_t ext2_inode_by_name(struct inode *dir, struct qstr *child)
return res;
}
+static int ext2_prepare_chunk(struct page *page, loff_t pos, unsigned len)
+{
+ return __block_write_begin(page, pos, len, ext2_get_block);
+}
+
/* Releases the page */
void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
struct page *page, struct inode *inode, int update_times)
@@ -458,8 +463,7 @@ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
int err;
lock_page(page);
- err = __ext2_write_begin(NULL, page->mapping, pos, len,
- AOP_FLAG_UNINTERRUPTIBLE, &page, NULL);
+ err = ext2_prepare_chunk(page, pos, len);
BUG_ON(err);
de->inode = cpu_to_le32(inode->i_ino);
ext2_set_de_type(de, inode);
@@ -542,8 +546,7 @@ int ext2_add_link (struct dentry *dentry, struct inode *inode)
got_it:
pos = page_offset(page) +
(char*)de - (char*)page_address(page);
- err = __ext2_write_begin(NULL, page->mapping, pos, rec_len, 0,
- &page, NULL);
+ err = ext2_prepare_chunk(page, pos, rec_len);
if (err)
goto out_unlock;
if (de->inode) {
@@ -576,8 +579,7 @@ out_unlock:
*/
int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page )
{
- struct address_space *mapping = page->mapping;
- struct inode *inode = mapping->host;
+ struct inode *inode = page->mapping->host;
char *kaddr = page_address(page);
unsigned from = ((char*)dir - kaddr) & ~(ext2_chunk_size(inode)-1);
unsigned to = ((char *)dir - kaddr) +
@@ -601,8 +603,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page )
from = (char*)pde - (char*)page_address(page);
pos = page_offset(page) + from;
lock_page(page);
- err = __ext2_write_begin(NULL, page->mapping, pos, to - from, 0,
- &page, NULL);
+ err = ext2_prepare_chunk(page, pos, to - from);
BUG_ON(err);
if (pde)
pde->rec_len = ext2_rec_len_to_disk(to - from);
@@ -621,8 +622,7 @@ out:
*/
int ext2_make_empty(struct inode *inode, struct inode *parent)
{
- struct address_space *mapping = inode->i_mapping;
- struct page *page = grab_cache_page(mapping, 0);
+ struct page *page = grab_cache_page(inode->i_mapping, 0);
unsigned chunk_size = ext2_chunk_size(inode);
struct ext2_dir_entry_2 * de;
int err;
@@ -631,8 +631,7 @@ int ext2_make_empty(struct inode *inode, struct inode *parent)
if (!page)
return -ENOMEM;
- err = __ext2_write_begin(NULL, page->mapping, 0, chunk_size, 0,
- &page, NULL);
+ err = ext2_prepare_chunk(page, 0, chunk_size);
if (err) {
unlock_page(page);
goto fail;
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 52b34f1d273..416daa62242 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -119,7 +119,7 @@ extern unsigned long ext2_count_free (struct buffer_head *, unsigned);
/* inode.c */
extern struct inode *ext2_iget (struct super_block *, unsigned long);
extern int ext2_write_inode (struct inode *, struct writeback_control *);
-extern void ext2_delete_inode (struct inode *);
+extern void ext2_evict_inode(struct inode *);
extern int ext2_sync_inode (struct inode *);
extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern int ext2_setattr (struct dentry *, struct iattr *);
@@ -127,9 +127,6 @@ extern void ext2_set_inode_flags(struct inode *inode);
extern void ext2_get_inode_flags(struct ext2_inode_info *);
extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
-int __ext2_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata);
/* ioctl.c */
extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 938dbc739d0..ad70479aabf 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -118,19 +118,14 @@ void ext2_free_inode (struct inode * inode)
* Note: we must free any quota before locking the superblock,
* as writing the quota to disk may need the lock as well.
*/
- if (!is_bad_inode(inode)) {
- /* Quota is already initialized in iput() */
- ext2_xattr_delete_inode(inode);
- dquot_free_inode(inode);
- dquot_drop(inode);
- }
+ /* Quota is already initialized in iput() */
+ ext2_xattr_delete_inode(inode);
+ dquot_free_inode(inode);
+ dquot_drop(inode);
es = EXT2_SB(sb)->s_es;
is_directory = S_ISDIR(inode->i_mode);
- /* Do this BEFORE marking the inode not in use or returning an error */
- clear_inode (inode);
-
if (ino < EXT2_FIRST_INO(sb) ||
ino > le32_to_cpu(es->s_inodes_count)) {
ext2_error (sb, "ext2_free_inode",
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 3675088cb88..940c9616886 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -69,26 +69,42 @@ static void ext2_write_failed(struct address_space *mapping, loff_t to)
/*
* Called at the last iput() if i_nlink is zero.
*/
-void ext2_delete_inode (struct inode * inode)
+void ext2_evict_inode(struct inode * inode)
{
- if (!is_bad_inode(inode))
+ struct ext2_block_alloc_info *rsv;
+ int want_delete = 0;
+
+ if (!inode->i_nlink && !is_bad_inode(inode)) {
+ want_delete = 1;
dquot_initialize(inode);
+ } else {
+ dquot_drop(inode);
+ }
+
truncate_inode_pages(&inode->i_data, 0);
- if (is_bad_inode(inode))
- goto no_delete;
- EXT2_I(inode)->i_dtime = get_seconds();
- mark_inode_dirty(inode);
- __ext2_write_inode(inode, inode_needs_sync(inode));
+ if (want_delete) {
+ /* set dtime */
+ EXT2_I(inode)->i_dtime = get_seconds();
+ mark_inode_dirty(inode);
+ __ext2_write_inode(inode, inode_needs_sync(inode));
+ /* truncate to 0 */
+ inode->i_size = 0;
+ if (inode->i_blocks)
+ ext2_truncate_blocks(inode, 0);
+ }
- inode->i_size = 0;
- if (inode->i_blocks)
- ext2_truncate_blocks(inode, 0);
- ext2_free_inode (inode);
+ invalidate_inode_buffers(inode);
+ end_writeback(inode);
- return;
-no_delete:
- clear_inode(inode); /* We must guarantee clearing of inode... */
+ ext2_discard_reservation(inode);
+ rsv = EXT2_I(inode)->i_block_alloc_info;
+ EXT2_I(inode)->i_block_alloc_info = NULL;
+ if (unlikely(rsv))
+ kfree(rsv);
+
+ if (want_delete)
+ ext2_free_inode(inode);
}
typedef struct {
@@ -423,6 +439,8 @@ static int ext2_alloc_blocks(struct inode *inode,
failed_out:
for (i = 0; i <index; i++)
ext2_free_blocks(inode, new_blocks[i], 1);
+ if (index)
+ mark_inode_dirty(inode);
return ret;
}
@@ -765,14 +783,6 @@ ext2_readpages(struct file *file, struct address_space *mapping,
return mpage_readpages(mapping, pages, nr_pages, ext2_get_block);
}
-int __ext2_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata)
-{
- return block_write_begin_newtrunc(file, mapping, pos, len, flags,
- pagep, fsdata, ext2_get_block);
-}
-
static int
ext2_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
@@ -780,8 +790,8 @@ ext2_write_begin(struct file *file, struct address_space *mapping,
{
int ret;
- *pagep = NULL;
- ret = __ext2_write_begin(file, mapping, pos, len, flags, pagep, fsdata);
+ ret = block_write_begin(mapping, pos, len, flags, pagep,
+ ext2_get_block);
if (ret < 0)
ext2_write_failed(mapping, pos + len);
return ret;
@@ -806,13 +816,8 @@ ext2_nobh_write_begin(struct file *file, struct address_space *mapping,
{
int ret;
- /*
- * Dir-in-pagecache still uses ext2_write_begin. Would have to rework
- * directory handling code to pass around offsets rather than struct
- * pages in order to make this work easily.
- */
- ret = nobh_write_begin_newtrunc(file, mapping, pos, len, flags, pagep,
- fsdata, ext2_get_block);
+ ret = nobh_write_begin(mapping, pos, len, flags, pagep, fsdata,
+ ext2_get_block);
if (ret < 0)
ext2_write_failed(mapping, pos + len);
return ret;
@@ -838,7 +843,7 @@ ext2_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
struct inode *inode = mapping->host;
ssize_t ret;
- ret = blockdev_direct_IO_newtrunc(rw, iocb, inode, inode->i_sb->s_bdev,
+ ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev,
iov, offset, nr_segs, ext2_get_block, NULL);
if (ret < 0 && (rw & WRITE))
ext2_write_failed(mapping, offset + iov_length(iov, nr_segs));
@@ -1006,8 +1011,8 @@ static inline void ext2_free_data(struct inode *inode, __le32 *p, __le32 *q)
else if (block_to_free == nr - count)
count++;
else {
- mark_inode_dirty(inode);
ext2_free_blocks (inode, block_to_free, count);
+ mark_inode_dirty(inode);
free_this:
block_to_free = nr;
count = 1;
@@ -1015,8 +1020,8 @@ static inline void ext2_free_data(struct inode *inode, __le32 *p, __le32 *q)
}
}
if (count > 0) {
- mark_inode_dirty(inode);
ext2_free_blocks (inode, block_to_free, count);
+ mark_inode_dirty(inode);
}
}
@@ -1169,15 +1174,10 @@ static void ext2_truncate_blocks(struct inode *inode, loff_t offset)
__ext2_truncate_blocks(inode, offset);
}
-int ext2_setsize(struct inode *inode, loff_t newsize)
+static int ext2_setsize(struct inode *inode, loff_t newsize)
{
- loff_t oldsize;
int error;
- error = inode_newsize_ok(inode, newsize);
- if (error)
- return error;
-
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
return -EINVAL;
@@ -1197,10 +1197,7 @@ int ext2_setsize(struct inode *inode, loff_t newsize)
if (error)
return error;
- oldsize = inode->i_size;
- i_size_write(inode, newsize);
- truncate_pagecache(inode, oldsize, newsize);
-
+ truncate_setsize(inode, newsize);
__ext2_truncate_blocks(inode, newsize);
inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
@@ -1557,7 +1554,7 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
if (error)
return error;
}
- generic_setattr(inode, iattr);
+ setattr_copy(inode, iattr);
if (iattr->ia_valid & ATTR_MODE)
error = ext2_acl_chmod(inode);
mark_inode_dirty(inode);
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 7ff43f4a59c..1ec602673ea 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -195,17 +195,6 @@ static void destroy_inodecache(void)
kmem_cache_destroy(ext2_inode_cachep);
}
-static void ext2_clear_inode(struct inode *inode)
-{
- struct ext2_block_alloc_info *rsv = EXT2_I(inode)->i_block_alloc_info;
-
- dquot_drop(inode);
- ext2_discard_reservation(inode);
- EXT2_I(inode)->i_block_alloc_info = NULL;
- if (unlikely(rsv))
- kfree(rsv);
-}
-
static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs)
{
struct super_block *sb = vfs->mnt_sb;
@@ -299,13 +288,12 @@ static const struct super_operations ext2_sops = {
.alloc_inode = ext2_alloc_inode,
.destroy_inode = ext2_destroy_inode,
.write_inode = ext2_write_inode,
- .delete_inode = ext2_delete_inode,
+ .evict_inode = ext2_evict_inode,
.put_super = ext2_put_super,
.write_super = ext2_write_super,
.sync_fs = ext2_sync_fs,
.statfs = ext2_statfs,
.remount_fs = ext2_remount,
- .clear_inode = ext2_clear_inode,
.show_options = ext2_show_options,
#ifdef CONFIG_QUOTA
.quota_read = ext2_quota_read,
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 7c3915780b1..8c29ae15129 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -674,6 +674,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
new_bh = sb_getblk(sb, block);
if (!new_bh) {
ext2_free_blocks(inode, block, 1);
+ mark_inode_dirty(inode);
error = -EIO;
goto cleanup;
}
@@ -703,8 +704,10 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
* written (only some dirty data were not) so we just proceed
* as if nothing happened and cleanup the unused block */
if (error && error != -ENOSPC) {
- if (new_bh && new_bh != old_bh)
- dquot_free_block(inode, 1);
+ if (new_bh && new_bh != old_bh) {
+ dquot_free_block_nodirty(inode, 1);
+ mark_inode_dirty(inode);
+ }
goto cleanup;
}
} else
@@ -727,6 +730,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
mb_cache_entry_free(ce);
ea_bdebug(old_bh, "freeing");
ext2_free_blocks(inode, old_bh->b_blocknr, 1);
+ mark_inode_dirty(inode);
/* We let our caller release old_bh, so we
* need to duplicate the buffer before. */
get_bh(old_bh);
@@ -736,7 +740,8 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
le32_add_cpu(&HDR(old_bh)->h_refcount, -1);
if (ce)
mb_cache_entry_release(ce);
- dquot_free_block(inode, 1);
+ dquot_free_block_nodirty(inode, 1);
+ mark_inode_dirty(inode);
mark_buffer_dirty(old_bh);
ea_bdebug(old_bh, "refcount now=%d",
le32_to_cpu(HDR(old_bh)->h_refcount));
@@ -799,7 +804,7 @@ ext2_xattr_delete_inode(struct inode *inode)
mark_buffer_dirty(bh);
if (IS_SYNC(inode))
sync_dirty_buffer(bh);
- dquot_free_block(inode, 1);
+ dquot_free_block_nodirty(inode, 1);
}
EXT2_I(inode)->i_file_acl = 0;
@@ -838,7 +843,7 @@ ext2_xattr_cache_insert(struct buffer_head *bh)
ce = mb_cache_entry_alloc(ext2_xattr_cache, GFP_NOFS);
if (!ce)
return -ENOMEM;
- error = mb_cache_entry_insert(ce, bh->b_bdev, bh->b_blocknr, &hash);
+ error = mb_cache_entry_insert(ce, bh->b_bdev, bh->b_blocknr, hash);
if (error) {
mb_cache_entry_free(ce);
if (error == -EBUSY) {
@@ -912,8 +917,8 @@ ext2_xattr_cache_find(struct inode *inode, struct ext2_xattr_header *header)
return NULL; /* never share */
ea_idebug(inode, "looking for cached blocks [%x]", (int)hash);
again:
- ce = mb_cache_entry_find_first(ext2_xattr_cache, 0,
- inode->i_sb->s_bdev, hash);
+ ce = mb_cache_entry_find_first(ext2_xattr_cache, inode->i_sb->s_bdev,
+ hash);
while (ce) {
struct buffer_head *bh;
@@ -945,7 +950,7 @@ again:
unlock_buffer(bh);
brelse(bh);
}
- ce = mb_cache_entry_find_next(ce, 0, inode->i_sb->s_bdev, hash);
+ ce = mb_cache_entry_find_next(ce, inode->i_sb->s_bdev, hash);
}
return NULL;
}
@@ -1021,9 +1026,7 @@ static void ext2_xattr_rehash(struct ext2_xattr_header *header,
int __init
init_ext2_xattr(void)
{
- ext2_xattr_cache = mb_cache_create("ext2_xattr", NULL,
- sizeof(struct mb_cache_entry) +
- sizeof(((struct mb_cache_entry *) 0)->e_indexes[0]), 1, 6);
+ ext2_xattr_cache = mb_cache_create("ext2_xattr", 6);
if (!ext2_xattr_cache)
return -ENOMEM;
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 06:57:01 +0000