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-rw-r--r--fs/gfs2/Makefile2
-rw-r--r--fs/gfs2/aops.c5
-rw-r--r--fs/gfs2/bmap.c2
-rw-r--r--fs/gfs2/dir.c2
-rw-r--r--fs/gfs2/file.c60
-rw-r--r--fs/gfs2/glock.c8
-rw-r--r--fs/gfs2/glops.c4
-rw-r--r--fs/gfs2/inode.c56
-rw-r--r--fs/gfs2/inode.h3
-rw-r--r--fs/gfs2/log.c4
-rw-r--r--fs/gfs2/lops.c12
-rw-r--r--fs/gfs2/meta_io.c3
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/gfs2/rgrp.c4
-rw-r--r--fs/gfs2/super.c16
15 files changed, 127 insertions, 56 deletions
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index 21f7e46da4c..f3d23ef4e87 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -1,4 +1,4 @@
-EXTRA_CFLAGS := -I$(src)
+ccflags-y := -I$(src)
obj-$(CONFIG_GFS2_FS) += gfs2.o
gfs2-y := acl.o bmap.o dir.o xattr.o glock.o \
glops.o inode.o log.o lops.o main.o meta_io.o \
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index aad77e4f61b..0f5c4f9d5d6 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -884,8 +884,8 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
}
brelse(dibh);
- gfs2_trans_end(sdp);
failed:
+ gfs2_trans_end(sdp);
if (al) {
gfs2_inplace_release(ip);
gfs2_quota_unlock(ip);
@@ -1117,7 +1117,6 @@ static const struct address_space_operations gfs2_writeback_aops = {
.writepages = gfs2_writeback_writepages,
.readpage = gfs2_readpage,
.readpages = gfs2_readpages,
- .sync_page = block_sync_page,
.write_begin = gfs2_write_begin,
.write_end = gfs2_write_end,
.bmap = gfs2_bmap,
@@ -1133,7 +1132,6 @@ static const struct address_space_operations gfs2_ordered_aops = {
.writepage = gfs2_ordered_writepage,
.readpage = gfs2_readpage,
.readpages = gfs2_readpages,
- .sync_page = block_sync_page,
.write_begin = gfs2_write_begin,
.write_end = gfs2_write_end,
.set_page_dirty = gfs2_set_page_dirty,
@@ -1151,7 +1149,6 @@ static const struct address_space_operations gfs2_jdata_aops = {
.writepages = gfs2_jdata_writepages,
.readpage = gfs2_readpage,
.readpages = gfs2_readpages,
- .sync_page = block_sync_page,
.write_begin = gfs2_write_begin,
.write_end = gfs2_write_end,
.set_page_dirty = gfs2_set_page_dirty,
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index ef3dc4b9fae..74add2ddcc3 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1136,7 +1136,7 @@ void gfs2_trim_blocks(struct inode *inode)
* earlier versions of GFS2 have a bug in the stuffed file reading
* code which will result in a buffer overrun if the size is larger
* than the max stuffed file size. In order to prevent this from
- * occuring, such files are unstuffed, but in other cases we can
+ * occurring, such files are unstuffed, but in other cases we can
* just update the inode size directly.
*
* Returns: 0 on success, or -ve on error
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 5c356d09c32..f789c5732b7 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -1506,7 +1506,7 @@ struct inode *gfs2_dir_search(struct inode *dir, const struct qstr *name)
inode = gfs2_inode_lookup(dir->i_sb,
be16_to_cpu(dent->de_type),
be64_to_cpu(dent->de_inum.no_addr),
- be64_to_cpu(dent->de_inum.no_formal_ino));
+ be64_to_cpu(dent->de_inum.no_formal_ino), 0);
brelse(bh);
return inode;
}
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 4074b952b05..e48310885c4 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -221,7 +221,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
goto out_drop_write;
error = -EACCES;
- if (!is_owner_or_cap(inode))
+ if (!inode_owner_or_capable(inode))
goto out;
error = 0;
@@ -617,18 +617,51 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
return generic_file_aio_write(iocb, iov, nr_segs, pos);
}
-static void empty_write_end(struct page *page, unsigned from,
- unsigned to)
+static int empty_write_end(struct page *page, unsigned from,
+ unsigned to, int mode)
{
- struct gfs2_inode *ip = GFS2_I(page->mapping->host);
+ struct inode *inode = page->mapping->host;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct buffer_head *bh;
+ unsigned offset, blksize = 1 << inode->i_blkbits;
+ pgoff_t end_index = i_size_read(inode) >> PAGE_CACHE_SHIFT;
zero_user(page, from, to-from);
mark_page_accessed(page);
- if (!gfs2_is_writeback(ip))
- gfs2_page_add_databufs(ip, page, from, to);
+ if (page->index < end_index || !(mode & FALLOC_FL_KEEP_SIZE)) {
+ if (!gfs2_is_writeback(ip))
+ gfs2_page_add_databufs(ip, page, from, to);
+
+ block_commit_write(page, from, to);
+ return 0;
+ }
+
+ offset = 0;
+ bh = page_buffers(page);
+ while (offset < to) {
+ if (offset >= from) {
+ set_buffer_uptodate(bh);
+ mark_buffer_dirty(bh);
+ clear_buffer_new(bh);
+ write_dirty_buffer(bh, WRITE);
+ }
+ offset += blksize;
+ bh = bh->b_this_page;
+ }
- block_commit_write(page, from, to);
+ offset = 0;
+ bh = page_buffers(page);
+ while (offset < to) {
+ if (offset >= from) {
+ wait_on_buffer(bh);
+ if (!buffer_uptodate(bh))
+ return -EIO;
+ }
+ offset += blksize;
+ bh = bh->b_this_page;
+ }
+ return 0;
}
static int needs_empty_write(sector_t block, struct inode *inode)
@@ -643,7 +676,8 @@ static int needs_empty_write(sector_t block, struct inode *inode)
return !buffer_mapped(&bh_map);
}
-static int write_empty_blocks(struct page *page, unsigned from, unsigned to)
+static int write_empty_blocks(struct page *page, unsigned from, unsigned to,
+ int mode)
{
struct inode *inode = page->mapping->host;
unsigned start, end, next, blksize;
@@ -668,7 +702,9 @@ static int write_empty_blocks(struct page *page, unsigned from, unsigned to)
gfs2_block_map);
if (unlikely(ret))
return ret;
- empty_write_end(page, start, end);
+ ret = empty_write_end(page, start, end, mode);
+ if (unlikely(ret))
+ return ret;
end = 0;
}
start = next;
@@ -682,7 +718,9 @@ static int write_empty_blocks(struct page *page, unsigned from, unsigned to)
ret = __block_write_begin(page, start, end - start, gfs2_block_map);
if (unlikely(ret))
return ret;
- empty_write_end(page, start, end);
+ ret = empty_write_end(page, start, end, mode);
+ if (unlikely(ret))
+ return ret;
}
return 0;
@@ -731,7 +769,7 @@ static int fallocate_chunk(struct inode *inode, loff_t offset, loff_t len,
if (curr == end)
to = end_offset;
- error = write_empty_blocks(page, from, to);
+ error = write_empty_blocks(page, from, to, mode);
if (!error && offset + to > inode->i_size &&
!(mode & FALLOC_FL_KEEP_SIZE)) {
i_size_write(inode, offset + to);
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index e2431313491..7a4fb630a32 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -93,14 +93,12 @@ static unsigned int gl_hash(const struct gfs2_sbd *sdp,
static inline void spin_lock_bucket(unsigned int hash)
{
- struct hlist_bl_head *bl = &gl_hash_table[hash];
- bit_spin_lock(0, (unsigned long *)bl);
+ hlist_bl_lock(&gl_hash_table[hash]);
}
static inline void spin_unlock_bucket(unsigned int hash)
{
- struct hlist_bl_head *bl = &gl_hash_table[hash];
- __bit_spin_unlock(0, (unsigned long *)bl);
+ hlist_bl_unlock(&gl_hash_table[hash]);
}
static void gfs2_glock_dealloc(struct rcu_head *rcu)
@@ -1123,7 +1121,7 @@ void gfs2_glock_dq_uninit(struct gfs2_holder *gh)
* @number: the lock number
* @glops: the glock operations for the type of glock
* @state: the state to acquire the glock in
- * @flags: modifier flags for the aquisition
+ * @flags: modifier flags for the acquisition
* @gh: the struct gfs2_holder
*
* Returns: errno
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 3754e3cbf02..25eeb2bcee4 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -385,6 +385,10 @@ static int trans_go_demote_ok(const struct gfs2_glock *gl)
static void iopen_go_callback(struct gfs2_glock *gl)
{
struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;
+ struct gfs2_sbd *sdp = gl->gl_sbd;
+
+ if (sdp->sd_vfs->s_flags & MS_RDONLY)
+ return;
if (gl->gl_demote_state == LM_ST_UNLOCKED &&
gl->gl_state == LM_ST_SHARED && ip) {
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 97d54a28776..9134dcb8947 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -40,37 +40,61 @@ struct gfs2_inum_range_host {
u64 ir_length;
};
+struct gfs2_skip_data {
+ u64 no_addr;
+ int skipped;
+ int non_block;
+};
+
static int iget_test(struct inode *inode, void *opaque)
{
struct gfs2_inode *ip = GFS2_I(inode);
- u64 *no_addr = opaque;
+ struct gfs2_skip_data *data = opaque;
- if (ip->i_no_addr == *no_addr)
+ if (ip->i_no_addr == data->no_addr) {
+ if (data->non_block &&
+ inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE)) {
+ data->skipped = 1;
+ return 0;
+ }
return 1;
-
+ }
return 0;
}
static int iget_set(struct inode *inode, void *opaque)
{
struct gfs2_inode *ip = GFS2_I(inode);
- u64 *no_addr = opaque;
+ struct gfs2_skip_data *data = opaque;
- inode->i_ino = (unsigned long)*no_addr;
- ip->i_no_addr = *no_addr;
+ if (data->skipped)
+ return -ENOENT;
+ inode->i_ino = (unsigned long)(data->no_addr);
+ ip->i_no_addr = data->no_addr;
return 0;
}
struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr)
{
unsigned long hash = (unsigned long)no_addr;
- return ilookup5(sb, hash, iget_test, &no_addr);
+ struct gfs2_skip_data data;
+
+ data.no_addr = no_addr;
+ data.skipped = 0;
+ data.non_block = 0;
+ return ilookup5(sb, hash, iget_test, &data);
}
-static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr)
+static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr,
+ int non_block)
{
+ struct gfs2_skip_data data;
unsigned long hash = (unsigned long)no_addr;
- return iget5_locked(sb, hash, iget_test, iget_set, &no_addr);
+
+ data.no_addr = no_addr;
+ data.skipped = 0;
+ data.non_block = non_block;
+ return iget5_locked(sb, hash, iget_test, iget_set, &data);
}
/**
@@ -111,19 +135,20 @@ static void gfs2_set_iop(struct inode *inode)
* @sb: The super block
* @no_addr: The inode number
* @type: The type of the inode
+ * non_block: Can we block on inodes that are being freed?
*
* Returns: A VFS inode, or an error
*/
struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
- u64 no_addr, u64 no_formal_ino)
+ u64 no_addr, u64 no_formal_ino, int non_block)
{
struct inode *inode;
struct gfs2_inode *ip;
struct gfs2_glock *io_gl = NULL;
int error;
- inode = gfs2_iget(sb, no_addr);
+ inode = gfs2_iget(sb, no_addr, non_block);
ip = GFS2_I(inode);
if (!inode)
@@ -185,11 +210,12 @@ struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
{
struct super_block *sb = sdp->sd_vfs;
struct gfs2_holder i_gh;
- struct inode *inode;
+ struct inode *inode = NULL;
int error;
+ /* Must not read in block until block type is verified */
error = gfs2_glock_nq_num(sdp, no_addr, &gfs2_inode_glops,
- LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
+ LM_ST_EXCLUSIVE, GL_SKIP, &i_gh);
if (error)
return ERR_PTR(error);
@@ -197,7 +223,7 @@ struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
if (error)
goto fail;
- inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0);
+ inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0, 1);
if (IS_ERR(inode))
goto fail;
@@ -843,7 +869,7 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
goto fail_gunlock2;
inode = gfs2_inode_lookup(dir->i_sb, IF2DT(mode), inum.no_addr,
- inum.no_formal_ino);
+ inum.no_formal_ino, 0);
if (IS_ERR(inode))
goto fail_gunlock2;
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index 3e00a66e7cb..099ca305e51 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -97,7 +97,8 @@ err:
}
extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
- u64 no_addr, u64 no_formal_ino);
+ u64 no_addr, u64 no_formal_ino,
+ int non_block);
extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
u64 *no_formal_ino,
unsigned int blktype);
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index e7ed31f858d..5b102c1887f 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -121,7 +121,7 @@ __acquires(&sdp->sd_ail_lock)
lock_buffer(bh);
if (test_clear_buffer_dirty(bh)) {
bh->b_end_io = end_buffer_write_sync;
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
} else {
unlock_buffer(bh);
brelse(bh);
@@ -647,7 +647,7 @@ static void gfs2_ordered_write(struct gfs2_sbd *sdp)
lock_buffer(bh);
if (buffer_mapped(bh) && test_clear_buffer_dirty(bh)) {
bh->b_end_io = end_buffer_write_sync;
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
} else {
unlock_buffer(bh);
brelse(bh);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index e919abf25ec..51d27f00ebb 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -204,7 +204,7 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
}
gfs2_log_unlock(sdp);
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
gfs2_log_lock(sdp);
n = 0;
@@ -214,7 +214,7 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
gfs2_log_unlock(sdp);
lock_buffer(bd2->bd_bh);
bh = gfs2_log_fake_buf(sdp, bd2->bd_bh);
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
gfs2_log_lock(sdp);
if (++n >= num)
break;
@@ -356,7 +356,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
sdp->sd_log_num_revoke--;
if (offset + sizeof(u64) > sdp->sd_sb.sb_bsize) {
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
bh = gfs2_log_get_buf(sdp);
mh = (struct gfs2_meta_header *)bh->b_data;
@@ -373,7 +373,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
}
gfs2_assert_withdraw(sdp, !sdp->sd_log_num_revoke);
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
}
static void revoke_lo_before_scan(struct gfs2_jdesc *jd,
@@ -575,7 +575,7 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
ptr = bh_log_ptr(bh);
get_bh(bh);
- submit_bh(WRITE_SYNC_PLUG, bh);
+ submit_bh(WRITE_SYNC, bh);
gfs2_log_lock(sdp);
while(!list_empty(list)) {
bd = list_entry(list->next, struct gfs2_bufdata, bd_le.le_list);
@@ -601,7 +601,7 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
} else {
bh1 = gfs2_log_fake_buf(sdp, bd->bd_bh);
}
- submit_bh(WRITE_SYNC_PLUG, bh1);
+ submit_bh(WRITE_SYNC, bh1);
gfs2_log_lock(sdp);
ptr += 2;
}
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 01d97f48655..675349b5a13 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -37,7 +37,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
struct buffer_head *bh, *head;
int nr_underway = 0;
int write_op = REQ_META |
- (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC_PLUG : WRITE);
+ (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
BUG_ON(!PageLocked(page));
BUG_ON(!page_has_buffers(page));
@@ -94,7 +94,6 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
const struct address_space_operations gfs2_meta_aops = {
.writepage = gfs2_aspace_writepage,
.releasepage = gfs2_releasepage,
- .sync_page = block_sync_page,
};
/**
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 42ef24355af..d3c69eb91c7 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -430,7 +430,7 @@ static int gfs2_lookup_root(struct super_block *sb, struct dentry **dptr,
struct dentry *dentry;
struct inode *inode;
- inode = gfs2_inode_lookup(sb, DT_DIR, no_addr, 0);
+ inode = gfs2_inode_lookup(sb, DT_DIR, no_addr, 0, 0);
if (IS_ERR(inode)) {
fs_err(sdp, "can't read in %s inode: %ld\n", name, PTR_ERR(inode));
return PTR_ERR(inode);
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index cf930cd9664..6fcae8469f6 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -945,7 +945,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip
/* rgblk_search can return a block < goal, so we need to
keep it marching forward. */
no_addr = block + rgd->rd_data0;
- goal++;
+ goal = max(block + 1, goal + 1);
if (*last_unlinked != NO_BLOCK && no_addr <= *last_unlinked)
continue;
if (no_addr == skip)
@@ -971,7 +971,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip
found++;
/* Limit reclaim to sensible number of tasks */
- if (found > 2*NR_CPUS)
+ if (found > NR_CPUS)
return;
}
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index ec73ed70bae..b9f28e66dad 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -657,7 +657,7 @@ out:
* @sdp: the file system
*
* This function flushes data and meta data for all machines by
- * aquiring the transaction log exclusively. All journals are
+ * acquiring the transaction log exclusively. All journals are
* ensured to be in a clean state as well.
*
* Returns: errno
@@ -1318,15 +1318,17 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
static void gfs2_evict_inode(struct inode *inode)
{
- struct gfs2_sbd *sdp = inode->i_sb->s_fs_info;
+ struct super_block *sb = inode->i_sb;
+ struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
int error;
- if (inode->i_nlink)
+ if (inode->i_nlink || (sb->s_flags & MS_RDONLY))
goto out;
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ /* Must not read inode block until block type has been verified */
+ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, &gh);
if (unlikely(error)) {
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
goto out;
@@ -1336,6 +1338,12 @@ static void gfs2_evict_inode(struct inode *inode)
if (error)
goto out_truncate;
+ if (test_bit(GIF_INVALID, &ip->i_flags)) {
+ error = gfs2_inode_refresh(ip);
+ if (error)
+ goto out_truncate;
+ }
+
ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
gfs2_glock_dq_wait(&ip->i_iopen_gh);
gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 05:35:34 +0000