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authorHarshad Shirwadkar <harshadshirwadkar@gmail.com>2020-11-05 19:59:07 -0800
committerTheodore Ts'o <tytso@mit.edu>2020-11-06 23:01:05 -0500
commit556e0319fbb8eee3fa19fdcc27c8bcb4af1c7211 (patch)
tree67ca0964cf42dd65efd1fab7c5ed95981a0eee39 /fs
parent1ceecb537f72734e4315638e7a1bb62e56c86fbf (diff)
ext4: disable fast commit with data journalling
Fast commits don't work with data journalling. This patch disables the fast commit support when data journalling is turned on. Suggested-by: Jan Kara <jack@suse.cz> Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20201106035911.1942128-19-harshadshirwadkar@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/fast_commit.c7
-rw-r--r--fs/ext4/fast_commit.h1
-rw-r--r--fs/ext4/super.c3
3 files changed, 10 insertions, 1 deletions
diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 6b963e09af2c..fb9b4e9d82b2 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -483,6 +483,12 @@ void ext4_fc_track_inode(handle_t *handle, struct inode *inode)
if (S_ISDIR(inode->i_mode))
return;
+ if (ext4_should_journal_data(inode)) {
+ ext4_fc_mark_ineligible(inode->i_sb,
+ EXT4_FC_REASON_INODE_JOURNAL_DATA);
+ return;
+ }
+
ret = ext4_fc_track_template(handle, inode, __track_inode, NULL, 1);
trace_ext4_fc_track_inode(inode, ret);
}
@@ -2102,6 +2108,7 @@ const char *fc_ineligible_reasons[] = {
"Resize",
"Dir renamed",
"Falloc range op",
+ "Data journalling",
"FC Commit Failed"
};
diff --git a/fs/ext4/fast_commit.h b/fs/ext4/fast_commit.h
index 1d96e0ac8138..3a6e5a1fa1b8 100644
--- a/fs/ext4/fast_commit.h
+++ b/fs/ext4/fast_commit.h
@@ -102,6 +102,7 @@ enum {
EXT4_FC_REASON_RESIZE,
EXT4_FC_REASON_RENAME_DIR,
EXT4_FC_REASON_FALLOC_RANGE,
+ EXT4_FC_REASON_INODE_JOURNAL_DATA,
EXT4_FC_COMMIT_FAILED,
EXT4_FC_REASON_MAX
};
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index ba02d7c86fb3..9e2e06ed2c45 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4340,9 +4340,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
#endif
if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
- printk_once(KERN_WARNING "EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, and O_DIRECT support!\n");
+ printk_once(KERN_WARNING "EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!\n");
/* can't mount with both data=journal and dioread_nolock. */
clear_opt(sb, DIOREAD_NOLOCK);
+ clear_opt2(sb, JOURNAL_FAST_COMMIT);
if (test_opt2(sb, EXPLICIT_DELALLOC)) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"both data=journal and delalloc");