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| author | Dmitry Monakhov | 2009-12-14 13:21:14 +0100 |
|---|---|---|
| committer | Jan Kara | 2009-12-23 13:33:55 +0100 |
| commit | a9e7f4472075fb6937c545af3f6329e9946bbe66 (patch) | |
| tree | 399e294982e1c9691332eca72942910a7f74e9f8 /fs/ext4/inode.c | |
| parent | quota: decouple fs reserved space from quota reservation (diff) | |
| download | kernel-qcow2-linux-a9e7f4472075fb6937c545af3f6329e9946bbe66.tar.gz kernel-qcow2-linux-a9e7f4472075fb6937c545af3f6329e9946bbe66.tar.xz kernel-qcow2-linux-a9e7f4472075fb6937c545af3f6329e9946bbe66.zip | |
ext4: Convert to generic reserved quota's space management.
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>
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 5352db1a3086..a31980dd9b86 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1003,17 +1003,12 @@ out: return err; } -qsize_t ext4_get_reserved_space(struct inode *inode) +#ifdef CONFIG_QUOTA +qsize_t *ext4_get_reserved_space(struct inode *inode) { - unsigned long long total; - - spin_lock(&EXT4_I(inode)->i_block_reservation_lock); - total = EXT4_I(inode)->i_reserved_data_blocks + - EXT4_I(inode)->i_reserved_meta_blocks; - spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); - - return (total << inode->i_blkbits); + return &EXT4_I(inode)->i_reserved_quota; } +#endif /* * Calculate the number of metadata blocks need to reserve * to allocate @blocks for non extent file based file @@ -4794,6 +4789,9 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) ((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32; inode->i_size = ext4_isize(raw_inode); ei->i_disksize = inode->i_size; +#ifdef CONFIG_QUOTA + ei->i_reserved_quota = 0; +#endif inode->i_generation = le32_to_cpu(raw_inode->i_generation); ei->i_block_group = iloc.block_group; ei->i_last_alloc_group = ~0; |