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ext4: add project quota support

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This patch adds mount options for enabling/disabling project quota
accounting and enforcement. A new specific inode is also used for
project quota accounting.

[ Includes fix from Dan Carpenter to crrect error checking from dqget(). ]

Signed-off-by: Li Xi <lixi@ddn.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Reviewed-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Li Xi
2016-01-08 16:01:22 -05:00
committed by Theodore Ts'o
parent 040cb3786d
commit 689c958cbe
2 changed files with 61 additions and 6 deletions
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2
fs/ext4/ext4.h
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@ -1261,7 +1261,7 @@ struct ext4_super_block {
#endif
/* Number of quota types we support */
#define EXT4_MAXQUOTAS 2
#define EXT4_MAXQUOTAS 3
/*
* fourth extended-fs super-block data in memory