diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl.c | 3 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl32.c | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 12 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap.h | 9 | ||||
| -rw-r--r-- | fs/xfs/xfs_fs.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 10 |
6 files changed, 27 insertions, 9 deletions
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 3b9e626f7cd1..03aa908a9cb9 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -1301,7 +1301,8 @@ xfs_file_ioctl( case XFS_IOC_ALLOCSP64: case XFS_IOC_FREESP64: case XFS_IOC_RESVSP64: - case XFS_IOC_UNRESVSP64: { + case XFS_IOC_UNRESVSP64: + case XFS_IOC_ZERO_RANGE: { xfs_flock64_t bf; if (copy_from_user(&bf, arg, sizeof(bf))) diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index 6c83f7f62dc9..464bcc76e980 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -574,6 +574,7 @@ xfs_file_compat_ioctl( case XFS_IOC_FSGEOMETRY_V1: case XFS_IOC_FSGROWFSDATA: case XFS_IOC_FSGROWFSRT: + case XFS_IOC_ZERO_RANGE: return xfs_file_ioctl(filp, cmd, p); #else case XFS_IOC_ALLOCSP_32: diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index f90dadd5a968..5e33b7862d41 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -4744,8 +4744,12 @@ xfs_bmapi( * Check if writing previously allocated but * unwritten extents. */ - if (wr && mval->br_state == XFS_EXT_UNWRITTEN && - ((flags & (XFS_BMAPI_PREALLOC|XFS_BMAPI_DELAY)) == 0)) { + if (wr && + ((mval->br_state == XFS_EXT_UNWRITTEN && + ((flags & (XFS_BMAPI_PREALLOC|XFS_BMAPI_DELAY)) == 0)) || + (mval->br_state == XFS_EXT_NORM && + ((flags & (XFS_BMAPI_PREALLOC|XFS_BMAPI_CONVERT)) == + (XFS_BMAPI_PREALLOC|XFS_BMAPI_CONVERT))))) { /* * Modify (by adding) the state flag, if writing. */ @@ -4757,7 +4761,9 @@ xfs_bmapi( *firstblock; cur->bc_private.b.flist = flist; } - mval->br_state = XFS_EXT_NORM; + mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) + ? XFS_EXT_NORM + : XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent(ip, lastx, &cur, mval, firstblock, flist, &tmp_logflags, whichfork, (flags & XFS_BMAPI_RSVBLOCKS)); diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index b13569a6179b..71ec9b6ecdfc 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -74,9 +74,12 @@ typedef struct xfs_bmap_free #define XFS_BMAPI_IGSTATE 0x080 /* Ignore state - */ /* combine contig. space */ #define XFS_BMAPI_CONTIG 0x100 /* must allocate only one extent */ -#define XFS_BMAPI_CONVERT 0x200 /* unwritten extent conversion - */ - /* need write cache flushing and no */ - /* additional allocation alignments */ +/* + * unwritten extent conversion - this needs write cache flushing and no additional + * allocation alignments. When specified with XFS_BMAPI_PREALLOC it converts + * from written to unwritten, otherwise convert from unwritten to written. + */ +#define XFS_BMAPI_CONVERT 0x200 #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_WRITE, "WRITE" }, \ diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index 87c2e9d02288..10f6093671b0 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -448,6 +448,7 @@ typedef struct xfs_handle { /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) +#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) /* * ioctl commands that replace IRIX syssgi()'s diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 4c7c7bfb2b2f..dc6e4fb8bbc9 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2272,7 +2272,7 @@ xfs_alloc_file_space( count = len; imapp = &imaps[0]; nimaps = 1; - bmapi_flag = XFS_BMAPI_WRITE | (alloc_type ? XFS_BMAPI_PREALLOC : 0); + bmapi_flag = XFS_BMAPI_WRITE | alloc_type; startoffset_fsb = XFS_B_TO_FSBT(mp, offset); allocatesize_fsb = XFS_B_TO_FSB(mp, count); @@ -2711,6 +2711,7 @@ xfs_change_file_space( xfs_off_t llen; xfs_trans_t *tp; struct iattr iattr; + int prealloc_type; if (!S_ISREG(ip->i_d.di_mode)) return XFS_ERROR(EINVAL); @@ -2753,12 +2754,17 @@ xfs_change_file_space( * size to be changed. */ setprealloc = clrprealloc = 0; + prealloc_type = XFS_BMAPI_PREALLOC; switch (cmd) { + case XFS_IOC_ZERO_RANGE: + prealloc_type |= XFS_BMAPI_CONVERT; + xfs_tosspages(ip, startoffset, startoffset + bf->l_len, 0); + /* FALLTHRU */ case XFS_IOC_RESVSP: case XFS_IOC_RESVSP64: error = xfs_alloc_file_space(ip, startoffset, bf->l_len, - 1, attr_flags); + prealloc_type, attr_flags); if (error) return error; setprealloc = 1; |