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d9be0cda77
linux/fs/gfs2
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Abhi Das d9be0cda77 gfs2: allow fallocate to max out quotas/fs efficiently 
We can quickly get an estimate of how many blocks are available
for allocation restricted by quota and fs size respectively, using
the ap->allowed field in the gfs2_alloc_parms structure.
gfs2_quota_check() and gfs2_inplace_reserve() provide these values.

Once we have the total number of blocks available to us, we can
compute how many bytes of data can be written using those blocks
instead of guessing inefficiently.

Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
2015-03-18 12:48:02 -05:00
..
acl.c GFS2: gfs2_set_acl(): Cache "no acl" as well 2015-03-18 12:41:57 -05:00
acl.h GFS2: Increase the max number of ACLs 2014-03-19 15:16:24 +00:00
aops.c gfs2: perform quota checks against allocation parameters 2015-03-18 12:46:54 -05:00
bmap.c gfs2: perform quota checks against allocation parameters 2015-03-18 12:46:54 -05:00
bmap.h GFS2: Clean up journal extent mapping 2014-03-03 13:50:12 +00:00
dentry.c vfs: Remove unnecessary calls of check_submounts_and_drop 2014-10-09 02:38:56 -04:00
dir.c VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) 2015-02-22 11:38:41 -05:00
dir.h GFS2: Make rename not save dirent location 2014-10-01 14:06:15 +01:00
export.c vfs: make first argument of dir_context.actor typed 2014-10-31 17:48:54 -04:00
file.c gfs2: allow fallocate to max out quotas/fs efficiently 2015-03-18 12:48:02 -05:00
gfs2.h
glock.c Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block 2015-02-12 13:50:21 -08:00
glock.h GFS2: Don't use ENOBUFS when ENOMEM is the correct error code 2014-01-16 10:31:13 +00:00
glops.c GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
glops.h GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
incore.h gfs2: allow quota_check and inplace_reserve to return available blocks 2015-03-18 12:47:10 -05:00
inode.c gfs2: perform quota checks against allocation parameters 2015-03-18 12:46:54 -05:00
inode.h GFS2: Add atomic_open support 2013-06-14 11:17:15 +01:00
Kconfig Finally eradicate CONFIG_HOTPLUG 2013-06-03 14:20:18 -07:00
lock_dlm.c Merge branch 'sched/urgent' into sched/core, to merge fixes before applying new changes 2014-07-28 10:03:00 +02:00
log.c GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
log.h GFS2: remove transaction glock 2014-05-14 10:04:34 +01:00
lops.c GFS2: lops.c: replace 0 by NULL for pointers 2014-04-28 09:41:55 +01:00
lops.h GFS2: Move log buffer lists into transaction 2014-02-24 16:54:54 +00:00
main.c GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
Makefile GFS2: Rename ops_inode.c to inode.c 2011-05-10 13:12:49 +01:00
meta_io.c mm: non-atomically mark page accessed during page cache allocation where possible 2014-06-04 16:54:10 -07:00
meta_io.h GFS2: Fix address space from page function 2014-03-31 17:48:27 +01:00
ops_fstype.c fs: remove mapping->backing_dev_info 2015-01-20 14:03:05 -07:00
quota.c gfs2: allow quota_check and inplace_reserve to return available blocks 2015-03-18 12:47:10 -05:00
quota.h gfs2: perform quota checks against allocation parameters 2015-03-18 12:46:54 -05:00
recovery.c GFS2: fix sprintf format specifier 2015-01-13 10:48:57 +00:00
recovery.h GFS2: Move recovery variables to journal structure in memory 2014-03-07 09:14:48 +00:00
rgrp.c gfs2: allow quota_check and inplace_reserve to return available blocks 2015-03-18 12:47:10 -05:00
rgrp.h gfs2: allow quota_check and inplace_reserve to return available blocks 2015-03-18 12:47:10 -05:00
super.c fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info 2015-01-20 14:03:04 -07:00
super.h GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
sys.c GFS2: fix sprintf format specifier 2015-01-13 10:48:57 +00:00
sys.h GFS2: dlm based recovery coordination 2012-01-11 09:23:05 +00:00
trace_gfs2.h GFS2: Add origin indicator to glock demote tracing 2013-04-10 10:32:05 +01:00
trans.c GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
trans.h GFS2: Split gfs2_trans_add_bh() into two 2013-01-29 10:28:04 +00:00
util.c GFS2: Convert gfs2_lm_withdraw to use fs_err 2014-03-07 09:39:18 +00:00
util.h GFS2: Convert gfs2_lm_withdraw to use fs_err 2014-03-07 09:39:18 +00:00
xattr.c gfs2: perform quota checks against allocation parameters 2015-03-18 12:46:54 -05:00
xattr.h