- ext4_getattr() not longer required - ext4_get_reserved_space() not longer required - drop i_block_reservation_lock before vfs_dq_reserve_block(). this fix http://bugzilla.kernel.org/show_bug.cgi?id=14739diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 26d3cf8..6198751 100644 Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx> --- fs/ext4/ext4.h | 2 - fs/ext4/file.c | 1 - fs/ext4/inode.c | 67 +++++++++++++----------------------------------------- fs/ext4/super.c | 1 - 4 files changed, 16 insertions(+), 55 deletions(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 26d3cf8..6198751 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1407,8 +1407,6 @@ int ext4_get_block(struct inode *inode, sector_t iblock, extern struct inode *ext4_iget(struct super_block *, unsigned long); extern int ext4_write_inode(struct inode *, int); extern int ext4_setattr(struct dentry *, struct iattr *); -extern int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry, - struct kstat *stat); extern void ext4_delete_inode(struct inode *); extern int ext4_sync_inode(handle_t *, struct inode *); extern void ext4_dirty_inode(struct inode *); diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 9630583..36a75e7 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -151,7 +151,6 @@ const struct file_operations ext4_file_operations = { const struct inode_operations ext4_file_inode_operations = { .truncate = ext4_truncate, .setattr = ext4_setattr, - .getattr = ext4_getattr, #ifdef CONFIG_EXT4_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index cc4737e..9a27505 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1048,17 +1048,6 @@ out: return err; } -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); -} /* * Calculate the number of metadata blocks need to reserve * to allocate @blocks for non extent file based file @@ -1852,19 +1841,8 @@ repeat: md_needed = mdblocks - EXT4_I(inode)->i_reserved_meta_blocks; total = md_needed + nrblocks; - /* - * Make quota reservation here to prevent quota overflow - * later. Real quota accounting is done at pages writeout - * time. - */ - if (vfs_dq_reserve_block(inode, total)) { - spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); - return -EDQUOT; - } - if (ext4_claim_free_blocks(sbi, total)) { spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); - vfs_dq_release_reservation_block(inode, total); if (ext4_should_retry_alloc(inode->i_sb, &retries)) { yield(); goto repeat; @@ -1872,10 +1850,24 @@ repeat: return -ENOSPC; } EXT4_I(inode)->i_reserved_data_blocks += nrblocks; - EXT4_I(inode)->i_reserved_meta_blocks = mdblocks; + EXT4_I(inode)->i_reserved_meta_blocks += md_needed; + spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); + + /* + * Make quota reservation here to prevent quota overflow + * later. Real quota accounting is done at pages writeout + * time. + */ + if (!vfs_dq_reserve_block(inode, total)) + return 0; /* success */ + /* Quota reservation has failed, revert inode's reservation */ + percpu_counter_sub(&sbi->s_dirtyblocks_counter, total); + spin_lock(&EXT4_I(inode)->i_block_reservation_lock); + EXT4_I(inode)->i_reserved_data_blocks -= nrblocks; + EXT4_I(inode)->i_reserved_meta_blocks -= md_needed; spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); - return 0; /* success */ + return -EDQUOT; } static void ext4_da_release_space(struct inode *inode, int to_free) @@ -5511,33 +5503,6 @@ err_out: return error; } -int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry, - struct kstat *stat) -{ - struct inode *inode; - unsigned long delalloc_blocks; - - inode = dentry->d_inode; - generic_fillattr(inode, stat); - - /* - * We can't update i_blocks if the block allocation is delayed - * otherwise in the case of system crash before the real block - * allocation is done, we will have i_blocks inconsistent with - * on-disk file blocks. - * We always keep i_blocks updated together with real - * allocation. But to not confuse with user, stat - * will return the blocks that include the delayed allocation - * blocks for this file. - */ - spin_lock(&EXT4_I(inode)->i_block_reservation_lock); - delalloc_blocks = EXT4_I(inode)->i_reserved_data_blocks; - spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); - - stat->blocks += (delalloc_blocks << inode->i_sb->s_blocksize_bits)>>9; - return 0; -} - static int ext4_indirect_trans_blocks(struct inode *inode, int nrblocks, int chunk) { diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 4c87d97..d87c7f7 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1007,7 +1007,6 @@ static const struct dquot_operations ext4_quota_operations = { .reserve_space = dquot_reserve_space, .claim_space = dquot_claim_space, .release_rsv = dquot_release_reserved_space, - .get_reserved_space = ext4_get_reserved_space, .alloc_inode = dquot_alloc_inode, .free_space = dquot_free_space, .free_inode = dquot_free_inode, -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
