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| author | Dave Chinner <david@fromorbit.com> | 2015-11-03 03:28:41 +0100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2015-11-03 03:28:41 +0100 |
| commit | 264e89ad3412ce1e2977e5e807bcf7d20d3b0a59 (patch) | |
| tree | 53841fc9aed8f419765e41af5879e18d51982ca0 /fs/xfs/libxfs/xfs_bmap.h | |
| parent | Merge branch 'xfs-misc-fixes-for-4.4-2' into for-next (diff) | |
| parent | xfs: xfs_filemap_pmd_fault treats read faults as write faults (diff) | |
| download | linux-264e89ad3412ce1e2977e5e807bcf7d20d3b0a59.tar.xz linux-264e89ad3412ce1e2977e5e807bcf7d20d3b0a59.zip | |
Merge branch 'xfs-dax-updates' into for-next
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 6aaa0c1c7200..a160f8a5a3fc 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -52,9 +52,9 @@ struct xfs_bmalloca { xfs_extlen_t minleft; /* amount must be left after alloc */ bool eof; /* set if allocating past last extent */ bool wasdel; /* replacing a delayed allocation */ - bool userdata;/* set if is user data */ bool aeof; /* allocated space at eof */ bool conv; /* overwriting unwritten extents */ + char userdata;/* userdata mask */ int flags; }; @@ -109,6 +109,14 @@ typedef struct xfs_bmap_free */ #define XFS_BMAPI_CONVERT 0x040 +/* + * allocate zeroed extents - this requires all newly allocated user data extents + * to be initialised to zero. It will be ignored if XFS_BMAPI_METADATA is set. + * Use in conjunction with XFS_BMAPI_CONVERT to convert unwritten extents found + * during the allocation range to zeroed written extents. + */ +#define XFS_BMAPI_ZERO 0x080 + #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ @@ -116,7 +124,8 @@ typedef struct xfs_bmap_free { XFS_BMAPI_PREALLOC, "PREALLOC" }, \ { XFS_BMAPI_IGSTATE, "IGSTATE" }, \ { XFS_BMAPI_CONTIG, "CONTIG" }, \ - { XFS_BMAPI_CONVERT, "CONVERT" } + { XFS_BMAPI_CONVERT, "CONVERT" }, \ + { XFS_BMAPI_ZERO, "ZERO" } static inline int xfs_bmapi_aflag(int w) |