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authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-12 07:18:48 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-12 07:18:48 +0300
commit5d50ac70fe98518dbf620bfba8184254663125eb (patch)
treebc32329b72516ece58142444bbfd520d27a7f6ca /fs/dax.c
parent31c1febd7a45229edb3e5d86f354e3c1df543cbb (diff)
parent4e14e49a91e18098fd8ef30743972e0c3cb727c1 (diff)
downloadlinux-5d50ac70fe98518dbf620bfba8184254663125eb.tar.xz
Merge tag 'xfs-for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
Pull xfs updates from Dave Chinner: "There is nothing really major here - the only significant addition is the per-mount operation statistics infrastructure. Otherwises there's various ACL, xattr, DAX, AIO and logging fixes, and a smattering of small cleanups and fixes elsewhere. Summary: - per-mount operational statistics in sysfs - fixes for concurrent aio append write submission - various logging fixes - detection of zeroed logs and invalid log sequence numbers on v5 filesystems - memory allocation failure message improvements - a bunch of xattr/ACL fixes - fdatasync optimisation - miscellaneous other fixes and cleanups" * tag 'xfs-for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (39 commits) xfs: give all workqueues rescuer threads xfs: fix log recovery op header validation assert xfs: Fix error path in xfs_get_acl xfs: optimise away log forces on timestamp updates for fdatasync xfs: don't leak uuid table on rmmod xfs: invalidate cached acl if set via ioctl xfs: Plug memory leak in xfs_attrmulti_attr_set xfs: Validate the length of on-disk ACLs xfs: invalidate cached acl if set directly via xattr xfs: xfs_filemap_pmd_fault treats read faults as write faults xfs: add ->pfn_mkwrite support for DAX xfs: DAX does not use IO completion callbacks xfs: Don't use unwritten extents for DAX xfs: introduce BMAPI_ZERO for allocating zeroed extents xfs: fix inode size update overflow in xfs_map_direct() xfs: clear PF_NOFREEZE for xfsaild kthread xfs: fix an error code in xfs_fs_fill_super() xfs: stats are no longer dependent on CONFIG_PROC_FS xfs: simplify /proc teardown & error handling xfs: per-filesystem stats counter implementation ...
Diffstat (limited to 'fs/dax.c')
-rw-r--r--fs/dax.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/dax.c b/fs/dax.c
index a86d3cc2b389..131fd35ae39d 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -29,6 +29,11 @@
#include <linux/uio.h>
#include <linux/vmstat.h>
+/*
+ * dax_clear_blocks() is called from within transaction context from XFS,
+ * and hence this means the stack from this point must follow GFP_NOFS
+ * semantics for all operations.
+ */
int dax_clear_blocks(struct inode *inode, sector_t block, long size)
{
struct block_device *bdev = inode->i_sb->s_bdev;