quota: provide interface for readding allocated space into reserved space
authorJan Kara <jack@suse.cz>
Sat, 17 Aug 2013 13:32:32 +0000 (09:32 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 30 Jan 2015 01:40:57 +0000 (17:40 -0800)
commit4e9eb2afbc494a56e35bf6c1a621f579eb1199b2
tree413860f6240839d2ede37eefc43a8a3bc3e4a3af
parenta659ea97f77630a07aa9d6a64d4d2b56e6949371
quota: provide interface for readding allocated space into reserved space

commit 1c8924eb106c1ac755d5d35ce9b3ff42e89e2511 upstream.

ext4 needs to convert allocated (metadata) blocks back into blocks
reserved for delayed allocation. Add functions into quota code for
supporting such operation.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Josh Hunt <johunt@akamai.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/quota/dquot.c
fs/stat.c
include/linux/fs.h
include/linux/quotaops.h