Commit 82dd124c authored by Nikolay Borisov's avatar Nikolay Borisov Committed by Theodore Ts'o

ext4: replace opencoded i_writecount usage with inode_is_open_for_write()

There is a function which clearly conveys the objective of checking
i_writecount. Additionally the usage in ext4_mb_initialize_context was
wrong, since a node would have wrongfully been reported as writable if
i_writecount had a negative value (MMAP_DENY_WRITE).
Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: Theodore Ts'o's avatarTheodore Ts'o <tytso@mit.edu>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
parent 53cf9784
......@@ -391,7 +391,7 @@ void ext4_da_update_reserve_space(struct inode *inode,
* inode's preallocations.
*/
if ((ei->i_reserved_data_blocks == 0) &&
(atomic_read(&inode->i_writecount) == 0))
!inode_is_open_for_write(inode))
ext4_discard_preallocations(inode);
}
......
......@@ -4176,9 +4176,8 @@ static void ext4_mb_group_or_file(struct ext4_allocation_context *ac)
isize = (i_size_read(ac->ac_inode) + ac->ac_sb->s_blocksize - 1)
>> bsbits;
if ((size == isize) &&
!ext4_fs_is_busy(sbi) &&
(atomic_read(&ac->ac_inode->i_writecount) == 0)) {
if ((size == isize) && !ext4_fs_is_busy(sbi) &&
!inode_is_open_for_write(ac->ac_inode)) {
ac->ac_flags |= EXT4_MB_HINT_NOPREALLOC;
return;
}
......@@ -4258,7 +4257,7 @@ ext4_mb_initialize_context(struct ext4_allocation_context *ac,
(unsigned) ar->goal, ac->ac_flags, ac->ac_2order,
(unsigned) ar->lleft, (unsigned) ar->pleft,
(unsigned) ar->lright, (unsigned) ar->pright,
atomic_read(&ar->inode->i_writecount) ? "" : "non-");
inode_is_open_for_write(ar->inode) ? "" : "non-");
return 0;
}
......
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