diff options
| author | Theodore Ts'o <tytso@mit.edu> | 2014-07-15 06:02:38 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2014-07-15 06:02:38 -0400 |
| commit | 71d4f7d032149b935a26eb3ff85c6c837f3714e1 (patch) | |
| tree | 86a356c9e02e69e609e0226435258f634620574d /fs/ext4/mballoc.c | |
| parent | d5e03cbb0c88cd1be39f2adc37d602230045964b (diff) | |
| download | lwn-71d4f7d032149b935a26eb3ff85c6c837f3714e1.tar.gz lwn-71d4f7d032149b935a26eb3ff85c6c837f3714e1.zip | |
ext4: remove metadata reservation checks
Commit 27dd43854227b ("ext4: introduce reserved space") reserves 2% of
the file system space to make sure metadata allocations will always
succeed. Given that, tracking the reservation of metadata blocks is
no longer necessary.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 2dcb936be90e..18a16191249a 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4627,7 +4627,6 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode, struct buffer_head *gd_bh; ext4_group_t block_group; struct ext4_sb_info *sbi; - struct ext4_inode_info *ei = EXT4_I(inode); struct ext4_buddy e4b; unsigned int count_clusters; int err = 0; @@ -4838,19 +4837,7 @@ do_more: &sbi->s_flex_groups[flex_group].free_clusters); } - if (flags & EXT4_FREE_BLOCKS_RESERVE && ei->i_reserved_data_blocks) { - percpu_counter_add(&sbi->s_dirtyclusters_counter, - count_clusters); - spin_lock(&ei->i_block_reservation_lock); - if (flags & EXT4_FREE_BLOCKS_METADATA) - ei->i_reserved_meta_blocks += count_clusters; - else - ei->i_reserved_data_blocks += count_clusters; - spin_unlock(&ei->i_block_reservation_lock); - if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE)) - dquot_reclaim_block(inode, - EXT4_C2B(sbi, count_clusters)); - } else if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE)) + if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE)) dquot_free_block(inode, EXT4_C2B(sbi, count_clusters)); percpu_counter_add(&sbi->s_freeclusters_counter, count_clusters); |