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ext4: Convert to generic reserved quota's space management.

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This patch also fixes write vs chown race condition.

Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Dmitry Monakhov
2009-12-14 15:21:14 +03:00
committed by Jan Kara
parent fd8fbfc170
commit a9e7f44720
3 changed files with 17 additions and 10 deletions
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5
fs/ext4/super.c
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@ -704,6 +704,9 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
ei->i_allocated_meta_blocks = 0;
ei->i_delalloc_reserved_flag = 0;
spin_lock_init(&(ei->i_block_reservation_lock));
#ifdef CONFIG_QUOTA
ei->i_reserved_quota = 0;
#endif
INIT_LIST_HEAD(&ei->i_aio_dio_complete_list);
ei->cur_aio_dio = NULL;
ei->i_sync_tid = 0;
@ -1014,7 +1017,9 @@ static const struct dquot_operations ext4_quota_operations = {
.reserve_space = dquot_reserve_space,
.claim_space = dquot_claim_space,
.release_rsv = dquot_release_reserved_space,
#ifdef CONFIG_QUOTA
.get_reserved_space = ext4_get_reserved_space,
#endif
.alloc_inode = dquot_alloc_inode,
.free_space = dquot_free_space,
.free_inode = dquot_free_inode,