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-rw-r--r--fs/gfs2/file.c8
-rw-r--r--fs/gfs2/glops.c32
-rw-r--r--fs/gfs2/glops.h2
-rw-r--r--fs/gfs2/super.c2
4 files changed, 20 insertions, 24 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 3467f36..3b65f67 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -593,16 +593,12 @@ static int gfs2_fsync(struct file *file, loff_t start, loff_t end,
sync_state &= ~I_DIRTY_SYNC;
if (sync_state) {
- mutex_lock(&inode->i_mutex);
ret = sync_inode_metadata(inode, 1);
- if (ret) {
- mutex_unlock(&inode->i_mutex);
+ if (ret)
return ret;
- }
if (gfs2_is_jdata(ip))
filemap_write_and_wait(mapping);
- gfs2_ail_flush(ip->i_gl);
- mutex_unlock(&inode->i_mutex);
+ gfs2_ail_flush(ip->i_gl, 1);
}
if (mapping->nrpages)
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 951541b..78418b4 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -42,41 +42,41 @@ static void gfs2_ail_error(struct gfs2_glock *gl, const struct buffer_head *bh)
/**
* __gfs2_ail_flush - remove all buffers for a given lock from the AIL
* @gl: the glock
+ * @fsync: set when called from fsync (not all buffers will be clean)
*
* None of the buffers should be dirty, locked, or pinned.
*/
-static void __gfs2_ail_flush(struct gfs2_glock *gl, unsigned long b_state)
+static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
struct list_head *head = &gl->gl_ail_list;
- struct gfs2_bufdata *bd;
+ struct gfs2_bufdata *bd, *tmp;
struct buffer_head *bh;
+ const unsigned long b_state = (1UL << BH_Dirty)|(1UL << BH_Pinned)|(1UL << BH_Lock);
sector_t blocknr;
+ gfs2_log_lock(sdp);
spin_lock(&sdp->sd_ail_lock);
- while (!list_empty(head)) {
- bd = list_entry(head->next, struct gfs2_bufdata,
- bd_ail_gl_list);
+ list_for_each_entry_safe(bd, tmp, head, bd_ail_gl_list) {
bh = bd->bd_bh;
- blocknr = bh->b_blocknr;
- if (bh->b_state & b_state)
+ if (bh->b_state & b_state) {
+ if (fsync)
+ continue;
gfs2_ail_error(gl, bh);
+ }
+ blocknr = bh->b_blocknr;
bh->b_private = NULL;
gfs2_remove_from_ail(bd); /* drops ref on bh */
- spin_unlock(&sdp->sd_ail_lock);
bd->bd_bh = NULL;
bd->bd_blkno = blocknr;
- gfs2_log_lock(sdp);
gfs2_trans_add_revoke(sdp, bd);
- gfs2_log_unlock(sdp);
-
- spin_lock(&sdp->sd_ail_lock);
}
- gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));
+ BUG_ON(!fsync && atomic_read(&gl->gl_ail_count));
spin_unlock(&sdp->sd_ail_lock);
+ gfs2_log_unlock(sdp);
}
@@ -99,13 +99,13 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
BUG_ON(current->journal_info);
current->journal_info = &tr;
- __gfs2_ail_flush(gl, (1ul << BH_Dirty)|(1ul << BH_Pinned)|(1ul << BH_Lock));
+ __gfs2_ail_flush(gl, 0);
gfs2_trans_end(sdp);
gfs2_log_flush(sdp, NULL);
}
-void gfs2_ail_flush(struct gfs2_glock *gl)
+void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
unsigned int revokes = atomic_read(&gl->gl_ail_count);
@@ -117,7 +117,7 @@ void gfs2_ail_flush(struct gfs2_glock *gl)
ret = gfs2_trans_begin(sdp, 0, revokes);
if (ret)
return;
- __gfs2_ail_flush(gl, (1ul << BH_Dirty)|(1ul << BH_Pinned));
+ __gfs2_ail_flush(gl, fsync);
gfs2_trans_end(sdp);
gfs2_log_flush(sdp, NULL);
}
diff --git a/fs/gfs2/glops.h b/fs/gfs2/glops.h
index 6fce409..bf95a2d 100644
--- a/fs/gfs2/glops.h
+++ b/fs/gfs2/glops.h
@@ -23,6 +23,6 @@ extern const struct gfs2_glock_operations gfs2_quota_glops;
extern const struct gfs2_glock_operations gfs2_journal_glops;
extern const struct gfs2_glock_operations *gfs2_glops_list[];
-extern void gfs2_ail_flush(struct gfs2_glock *gl);
+extern void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync);
#endif /* __GLOPS_DOT_H__ */
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 87e9141..71e4209 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1533,7 +1533,7 @@ static void gfs2_evict_inode(struct inode *inode)
out_truncate:
gfs2_log_flush(sdp, ip->i_gl);
write_inode_now(inode, 1);
- gfs2_ail_flush(ip->i_gl);
+ gfs2_ail_flush(ip->i_gl, 0);
/* Case 2 starts here */
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
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