xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xfs: implement deferred bmbt map/unmap operations

Browse Source 
Implement deferred versions of the inode block map/unmap functions.
These will be used in subsequent patches to make reflink operations
atomic.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong
2016-10-03 09:11:28 -07:00
parent 4847acf868
commit 9f3afb57d5
9 changed files with 393 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/xfs/xfs_error.h
View File

@@ -94,7 +94,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp);
#define XFS_ERRTAG_RMAP_FINISH_ONE 23
#define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24
#define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25
#define XFS_ERRTAG_MAX 26
#define XFS_ERRTAG_BMAP_FINISH_ONE 26
#define XFS_ERRTAG_MAX 27
/*
* Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
@@ -125,6 +126,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp);
#define XFS_RANDOM_RMAP_FINISH_ONE 1
#define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE 1
#define XFS_RANDOM_REFCOUNT_FINISH_ONE 1
#define XFS_RANDOM_BMAP_FINISH_ONE 1
#ifdef DEBUG
extern int xfs_error_test_active;