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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 20:10:34 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 20:10:34 +0300
commit9f5974c8734d83d4ab7096ed98136a82f41210d6 (patch)
tree6f328555796bafefb74936ab68128aa84efd28b1 /fs/xfs/xfs_vnodeops.c
parenta2d823bf13efea4c859376f6e85c49cfbad7ab60 (diff)
parentddae9c2ea79449beb00027cf77fca6dc489f2d15 (diff)
downloadlinux-9f5974c8734d83d4ab7096ed98136a82f41210d6.tar.xz
Merge git://oss.sgi.com:8090/oss/git/xfs-2.6
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r--fs/xfs/xfs_vnodeops.c193
1 files changed, 91 insertions, 102 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index e92cacde02f5..8076cc981e11 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -185,8 +185,7 @@ xfs_getattr(
break;
}
- vap->va_atime.tv_sec = ip->i_d.di_atime.t_sec;
- vap->va_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
+ vn_atime_to_timespec(vp, &vap->va_atime);
vap->va_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
vap->va_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
vap->va_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
@@ -544,24 +543,6 @@ xfs_setattr(
}
/*
- * Can't set extent size unless the file is marked, or
- * about to be marked as a realtime file.
- *
- * This check will be removed when fixed size extents
- * with buffered data writes is implemented.
- *
- */
- if ((mask & XFS_AT_EXTSIZE) &&
- ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) !=
- vap->va_extsize) &&
- (!((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ||
- ((mask & XFS_AT_XFLAGS) &&
- (vap->va_xflags & XFS_XFLAG_REALTIME))))) {
- code = XFS_ERROR(EINVAL);
- goto error_return;
- }
-
- /*
* Can't change realtime flag if any extents are allocated.
*/
if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
@@ -823,13 +804,17 @@ xfs_setattr(
di_flags |= XFS_DIFLAG_RTINHERIT;
if (vap->va_xflags & XFS_XFLAG_NOSYMLINKS)
di_flags |= XFS_DIFLAG_NOSYMLINKS;
- } else {
+ if (vap->va_xflags & XFS_XFLAG_EXTSZINHERIT)
+ di_flags |= XFS_DIFLAG_EXTSZINHERIT;
+ } else if ((ip->i_d.di_mode & S_IFMT) == S_IFREG) {
if (vap->va_xflags & XFS_XFLAG_REALTIME) {
di_flags |= XFS_DIFLAG_REALTIME;
ip->i_iocore.io_flags |= XFS_IOCORE_RT;
} else {
ip->i_iocore.io_flags &= ~XFS_IOCORE_RT;
}
+ if (vap->va_xflags & XFS_XFLAG_EXTSIZE)
+ di_flags |= XFS_DIFLAG_EXTSIZE;
}
ip->i_d.di_flags = di_flags;
}
@@ -999,10 +984,6 @@ xfs_readlink(
goto error_return;
}
- if (!(ioflags & IO_INVIS)) {
- xfs_ichgtime(ip, XFS_ICHGTIME_ACC);
- }
-
/*
* See if the symlink is stored inline.
*/
@@ -1234,7 +1215,8 @@ xfs_inactive_free_eofblocks(
xfs_iunlock(ip, XFS_ILOCK_SHARED);
if (!error && (nimaps != 0) &&
- (imap.br_startblock != HOLESTARTBLOCK)) {
+ (imap.br_startblock != HOLESTARTBLOCK ||
+ ip->i_delayed_blks)) {
/*
* Attach the dquots to the inode up front.
*/
@@ -1569,9 +1551,11 @@ xfs_release(
if (ip->i_d.di_nlink != 0) {
if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) &&
- ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0)) &&
+ ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0 ||
+ ip->i_delayed_blks > 0)) &&
(ip->i_df.if_flags & XFS_IFEXTENTS)) &&
- (!(ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)))) {
+ (!(ip->i_d.di_flags &
+ (XFS_DIFLAG_PREALLOC | XFS_DIFLAG_APPEND)))) {
if ((error = xfs_inactive_free_eofblocks(mp, ip)))
return (error);
/* Update linux inode block count after free above */
@@ -1628,7 +1612,8 @@ xfs_inactive(
* only one with a reference to the inode.
*/
truncate = ((ip->i_d.di_nlink == 0) &&
- ((ip->i_d.di_size != 0) || (ip->i_d.di_nextents > 0)) &&
+ ((ip->i_d.di_size != 0) || (ip->i_d.di_nextents > 0) ||
+ (ip->i_delayed_blks > 0)) &&
((ip->i_d.di_mode & S_IFMT) == S_IFREG));
mp = ip->i_mount;
@@ -1646,10 +1631,12 @@ xfs_inactive(
if (ip->i_d.di_nlink != 0) {
if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) &&
- ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0)) &&
- (ip->i_df.if_flags & XFS_IFEXTENTS)) &&
- (!(ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)) ||
- (ip->i_delayed_blks != 0))) {
+ ((ip->i_d.di_size > 0) || (VN_CACHED(vp) > 0 ||
+ ip->i_delayed_blks > 0)) &&
+ (ip->i_df.if_flags & XFS_IFEXTENTS) &&
+ (!(ip->i_d.di_flags &
+ (XFS_DIFLAG_PREALLOC | XFS_DIFLAG_APPEND)) ||
+ (ip->i_delayed_blks != 0)))) {
if ((error = xfs_inactive_free_eofblocks(mp, ip)))
return (VN_INACTIVE_CACHE);
/* Update linux inode block count after free above */
@@ -2593,7 +2580,6 @@ xfs_link(
int cancel_flags;
int committed;
vnode_t *target_dir_vp;
- bhv_desc_t *src_bdp;
int resblks;
char *target_name = VNAME(dentry);
int target_namelen;
@@ -2606,8 +2592,7 @@ xfs_link(
if (VN_ISDIR(src_vp))
return XFS_ERROR(EPERM);
- src_bdp = vn_bhv_lookup_unlocked(VN_BHV_HEAD(src_vp), &xfs_vnodeops);
- sip = XFS_BHVTOI(src_bdp);
+ sip = xfs_vtoi(src_vp);
tdp = XFS_BHVTOI(target_dir_bdp);
mp = tdp->i_mount;
if (XFS_FORCED_SHUTDOWN(mp))
@@ -3240,7 +3225,6 @@ xfs_readdir(
xfs_trans_t *tp = NULL;
int error = 0;
uint lock_mode;
- xfs_off_t start_offset;
vn_trace_entry(BHV_TO_VNODE(dir_bdp), __FUNCTION__,
(inst_t *)__return_address);
@@ -3251,11 +3235,7 @@ xfs_readdir(
}
lock_mode = xfs_ilock_map_shared(dp);
- start_offset = uiop->uio_offset;
error = XFS_DIR_GETDENTS(dp->i_mount, tp, dp, uiop, eofp);
- if (start_offset != uiop->uio_offset) {
- xfs_ichgtime(dp, XFS_ICHGTIME_ACC);
- }
xfs_iunlock_map_shared(dp, lock_mode);
return error;
}
@@ -3832,7 +3812,12 @@ xfs_reclaim(
vn_iowait(vp);
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
- ASSERT(VN_CACHED(vp) == 0);
+
+ /*
+ * Make sure the atime in the XFS inode is correct before freeing the
+ * Linux inode.
+ */
+ xfs_synchronize_atime(ip);
/* If we have nothing to flush with this inode then complete the
* teardown now, otherwise break the link between the xfs inode
@@ -4002,42 +3987,36 @@ xfs_alloc_file_space(
int alloc_type,
int attr_flags)
{
+ xfs_mount_t *mp = ip->i_mount;
+ xfs_off_t count;
xfs_filblks_t allocated_fsb;
xfs_filblks_t allocatesize_fsb;
- int committed;
- xfs_off_t count;
- xfs_filblks_t datablocks;
- int error;
+ xfs_extlen_t extsz, temp;
+ xfs_fileoff_t startoffset_fsb;
xfs_fsblock_t firstfsb;
- xfs_bmap_free_t free_list;
- xfs_bmbt_irec_t *imapp;
- xfs_bmbt_irec_t imaps[1];
- xfs_mount_t *mp;
- int numrtextents;
- int reccount;
- uint resblks;
+ int nimaps;
+ int bmapi_flag;
+ int quota_flag;
int rt;
- int rtextsize;
- xfs_fileoff_t startoffset_fsb;
xfs_trans_t *tp;
- int xfs_bmapi_flags;
+ xfs_bmbt_irec_t imaps[1], *imapp;
+ xfs_bmap_free_t free_list;
+ uint qblocks, resblks, resrtextents;
+ int committed;
+ int error;
vn_trace_entry(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address);
- mp = ip->i_mount;
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
- /*
- * determine if this is a realtime file
- */
- if ((rt = XFS_IS_REALTIME_INODE(ip)) != 0) {
- if (ip->i_d.di_extsize)
- rtextsize = ip->i_d.di_extsize;
- else
- rtextsize = mp->m_sb.sb_rextsize;
- } else
- rtextsize = 0;
+ rt = XFS_IS_REALTIME_INODE(ip);
+ if (unlikely(rt)) {
+ if (!(extsz = ip->i_d.di_extsize))
+ extsz = mp->m_sb.sb_rextsize;
+ } else {
+ extsz = ip->i_d.di_extsize;
+ }
if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
return error;
@@ -4048,8 +4027,8 @@ xfs_alloc_file_space(
count = len;
error = 0;
imapp = &imaps[0];
- reccount = 1;
- xfs_bmapi_flags = XFS_BMAPI_WRITE | (alloc_type ? XFS_BMAPI_PREALLOC : 0);
+ nimaps = 1;
+ bmapi_flag = XFS_BMAPI_WRITE | (alloc_type ? XFS_BMAPI_PREALLOC : 0);
startoffset_fsb = XFS_B_TO_FSBT(mp, offset);
allocatesize_fsb = XFS_B_TO_FSB(mp, count);
@@ -4070,43 +4049,51 @@ xfs_alloc_file_space(
}
/*
- * allocate file space until done or until there is an error
+ * Allocate file space until done or until there is an error
*/
retry:
while (allocatesize_fsb && !error) {
+ xfs_fileoff_t s, e;
+
/*
- * determine if reserving space on
- * the data or realtime partition.
+ * Determine space reservations for data/realtime.
*/
- if (rt) {
- xfs_fileoff_t s, e;
-
+ if (unlikely(extsz)) {
s = startoffset_fsb;
- do_div(s, rtextsize);
- s *= rtextsize;
- e = roundup_64(startoffset_fsb + allocatesize_fsb,
- rtextsize);
- numrtextents = (int)(e - s) / mp->m_sb.sb_rextsize;
- datablocks = 0;
+ do_div(s, extsz);
+ s *= extsz;
+ e = startoffset_fsb + allocatesize_fsb;
+ if ((temp = do_mod(startoffset_fsb, extsz)))
+ e += temp;
+ if ((temp = do_mod(e, extsz)))
+ e += extsz - temp;
+ } else {
+ s = 0;
+ e = allocatesize_fsb;
+ }
+
+ if (unlikely(rt)) {
+ resrtextents = qblocks = (uint)(e - s);
+ resrtextents /= mp->m_sb.sb_rextsize;
+ resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
+ quota_flag = XFS_QMOPT_RES_RTBLKS;
} else {
- datablocks = allocatesize_fsb;
- numrtextents = 0;
+ resrtextents = 0;
+ resblks = qblocks = \
+ XFS_DIOSTRAT_SPACE_RES(mp, (uint)(e - s));
+ quota_flag = XFS_QMOPT_RES_REGBLKS;
}
/*
- * allocate and setup the transaction
+ * Allocate and setup the transaction.
*/
tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT);
- resblks = XFS_DIOSTRAT_SPACE_RES(mp, datablocks);
- error = xfs_trans_reserve(tp,
- resblks,
- XFS_WRITE_LOG_RES(mp),
- numrtextents,
+ error = xfs_trans_reserve(tp, resblks,
+ XFS_WRITE_LOG_RES(mp), resrtextents,
XFS_TRANS_PERM_LOG_RES,
XFS_WRITE_LOG_COUNT);
-
/*
- * check for running out of space
+ * Check for running out of space
*/
if (error) {
/*
@@ -4117,8 +4104,8 @@ retry:
break;
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- error = XFS_TRANS_RESERVE_QUOTA(mp, tp,
- ip->i_udquot, ip->i_gdquot, resblks, 0, 0);
+ error = XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, tp, ip,
+ qblocks, 0, quota_flag);
if (error)
goto error1;
@@ -4126,19 +4113,19 @@ retry:
xfs_trans_ihold(tp, ip);
/*
- * issue the bmapi() call to allocate the blocks
+ * Issue the xfs_bmapi() call to allocate the blocks
*/
XFS_BMAP_INIT(&free_list, &firstfsb);
error = xfs_bmapi(tp, ip, startoffset_fsb,
- allocatesize_fsb, xfs_bmapi_flags,
- &firstfsb, 0, imapp, &reccount,
+ allocatesize_fsb, bmapi_flag,
+ &firstfsb, 0, imapp, &nimaps,
&free_list);
if (error) {
goto error0;
}
/*
- * complete the transaction
+ * Complete the transaction
*/
error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed);
if (error) {
@@ -4153,7 +4140,7 @@ retry:
allocated_fsb = imapp->br_blockcount;
- if (reccount == 0) {
+ if (nimaps == 0) {
error = XFS_ERROR(ENOSPC);
break;
}
@@ -4176,9 +4163,11 @@ dmapi_enospc_check:
return error;
- error0:
+error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */
xfs_bmap_cancel(&free_list);
- error1:
+ XFS_TRANS_UNRESERVE_QUOTA_NBLKS(mp, tp, ip, qblocks, 0, quota_flag);
+
+error1: /* Just cancel transaction */
xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | XFS_TRANS_ABORT);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
goto dmapi_enospc_check;
@@ -4423,8 +4412,8 @@ xfs_free_file_space(
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
error = XFS_TRANS_RESERVE_QUOTA(mp, tp,
- ip->i_udquot, ip->i_gdquot, resblks, 0, rt ?
- XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS);
+ ip->i_udquot, ip->i_gdquot, resblks, 0,
+ XFS_QMOPT_RES_REGBLKS);
if (error)
goto error1;