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author | Nikolay Borisov <nborisov@suse.com> | 2018-01-16 09:31:58 +0200 |
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committer | David Sterba <dsterba@suse.com> | 2018-03-26 15:09:37 +0200 |
commit | c1c3fac2a95b14e36333528e408e76d90c93bbf7 (patch) | |
tree | 5d2a749fcc44b7e7d9d8e3c736e98bb031ee6bfb /fs/btrfs/btrfs_inode.h | |
parent | 793ff2c88c6397b3531c08cc4f920619b56a9def (diff) | |
download | linux-stable-c1c3fac2a95b14e36333528e408e76d90c93bbf7.tar.gz linux-stable-c1c3fac2a95b14e36333528e408e76d90c93bbf7.tar.bz2 linux-stable-c1c3fac2a95b14e36333528e408e76d90c93bbf7.zip |
btrfs: Remove btrfs_inode::delayed_iput_count
delayed_iput_count wa supposed to be used to implement, well, delayed
iput. The idea is that we keep accumulating the number of iputs we do
until eventually the inode is deleted. Turns out we never really
switched the delayed_iput_count from 0 to 1, hence all conditional
code relying on the value of that member being different than 0 was
never executed. This, as it turns out, didn't cause any problem due
to the simple fact that the generic inode's i_count member was always
used to count the number of iputs. So let's just remove the unused
member and all unused code. This patch essentially provides no
functional changes. While at it, also add proper documentation for
btrfs_add_delayed_iput
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ reformat comment ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
-rw-r--r-- | fs/btrfs/btrfs_inode.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 63f0ccc92a71..f527e99c9f8d 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -195,7 +195,6 @@ struct btrfs_inode { /* Hook into fs_info->delayed_iputs */ struct list_head delayed_iput; - long delayed_iput_count; /* * To avoid races between lockless (i_mutex not held) direct IO writes |