summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_vnodeops.c
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@infradead.org>2008-07-18 17:13:28 +1000
committerNiv Sardi <xaiki@debian.org>2008-07-28 16:59:37 +1000
commit0f285c8a1c4cacfd9f2aec077b06e2b537ee57ab (patch)
tree5b10300cfe765f13e1437d0ffa4a66a6d31d1187 /fs/xfs/xfs_vnodeops.c
parent25fe55e814a2964c7e16d16a5d08cae6e9313a3a (diff)
downloadop-kernel-dev-0f285c8a1c4cacfd9f2aec077b06e2b537ee57ab.zip
op-kernel-dev-0f285c8a1c4cacfd9f2aec077b06e2b537ee57ab.tar.gz
[XFS] Now that xfs_setattr is only used for attributes set from ->setattr
it can be switched to take struct iattr directly and thus simplify the implementation greatly. Also rename the ATTR_ flags to XFS_ATTR_ to not conflict with the ATTR_ flags used by the VFS. SGI-PV: 984565 SGI-Modid: xfs-linux-melb:xfs-kern:31678a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r--fs/xfs/xfs_vnodeops.c172
1 files changed, 73 insertions, 99 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index ed39952..b792a12 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -75,19 +75,16 @@ xfs_open(
return 0;
}
-/*
- * xfs_setattr
- */
int
xfs_setattr(
- xfs_inode_t *ip,
- bhv_vattr_t *vap,
+ struct xfs_inode *ip,
+ struct iattr *iattr,
int flags,
cred_t *credp)
{
xfs_mount_t *mp = ip->i_mount;
+ int mask = iattr->ia_valid;
xfs_trans_t *tp;
- int mask;
int code;
uint lock_flags;
uint commit_flags=0;
@@ -103,30 +100,9 @@ xfs_setattr(
if (mp->m_flags & XFS_MOUNT_RDONLY)
return XFS_ERROR(EROFS);
- /*
- * Cannot set certain attributes.
- */
- mask = vap->va_mask;
- if (mask & XFS_AT_NOSET) {
- return XFS_ERROR(EINVAL);
- }
-
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
- /*
- * Timestamps do not need to be logged and hence do not
- * need to be done within a transaction.
- */
- if (mask & XFS_AT_UPDTIMES) {
- ASSERT((mask & ~XFS_AT_UPDTIMES) == 0);
- timeflags = ((mask & XFS_AT_UPDATIME) ? XFS_ICHGTIME_ACC : 0) |
- ((mask & XFS_AT_UPDCTIME) ? XFS_ICHGTIME_CHG : 0) |
- ((mask & XFS_AT_UPDMTIME) ? XFS_ICHGTIME_MOD : 0);
- xfs_ichgtime(ip, timeflags);
- return 0;
- }
-
olddquot1 = olddquot2 = NULL;
udqp = gdqp = NULL;
@@ -138,17 +114,17 @@ xfs_setattr(
* If the IDs do change before we take the ilock, we're covered
* because the i_*dquot fields will get updated anyway.
*/
- if (XFS_IS_QUOTA_ON(mp) && (mask & (XFS_AT_UID|XFS_AT_GID))) {
+ if (XFS_IS_QUOTA_ON(mp) && (mask & (ATTR_UID|ATTR_GID))) {
uint qflags = 0;
- if ((mask & XFS_AT_UID) && XFS_IS_UQUOTA_ON(mp)) {
- uid = vap->va_uid;
+ if ((mask & ATTR_UID) && XFS_IS_UQUOTA_ON(mp)) {
+ uid = iattr->ia_uid;
qflags |= XFS_QMOPT_UQUOTA;
} else {
uid = ip->i_d.di_uid;
}
- if ((mask & XFS_AT_GID) && XFS_IS_GQUOTA_ON(mp)) {
- gid = vap->va_gid;
+ if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp)) {
+ gid = iattr->ia_gid;
qflags |= XFS_QMOPT_GQUOTA;
} else {
gid = ip->i_d.di_gid;
@@ -173,10 +149,10 @@ xfs_setattr(
*/
tp = NULL;
lock_flags = XFS_ILOCK_EXCL;
- if (flags & ATTR_NOLOCK)
+ if (flags & XFS_ATTR_NOLOCK)
need_iolock = 0;
- if (!(mask & XFS_AT_SIZE)) {
- if ((mask != (XFS_AT_CTIME|XFS_AT_ATIME|XFS_AT_MTIME)) ||
+ if (!(mask & ATTR_SIZE)) {
+ if ((mask != (ATTR_CTIME|ATTR_ATIME|ATTR_MTIME)) ||
(mp->m_flags & XFS_MOUNT_WSYNC)) {
tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
commit_flags = 0;
@@ -189,10 +165,10 @@ xfs_setattr(
}
} else {
if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) &&
- !(flags & ATTR_DMI)) {
+ !(flags & XFS_ATTR_DMI)) {
int dmflags = AT_DELAY_FLAG(flags) | DM_SEM_FLAG_WR;
code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, ip,
- vap->va_size, 0, dmflags, NULL);
+ iattr->ia_size, 0, dmflags, NULL);
if (code) {
lock_flags = 0;
goto error_return;
@@ -212,7 +188,7 @@ xfs_setattr(
* Only the owner or users with CAP_FOWNER
* capability may do these things.
*/
- if (mask & (XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID)) {
+ if (mask & (ATTR_MODE|ATTR_UID|ATTR_GID)) {
/*
* CAP_FOWNER overrides the following restrictions:
*
@@ -236,21 +212,21 @@ xfs_setattr(
* IDs of the calling process shall match the group owner of
* the file when setting the set-group-ID bit on that file
*/
- if (mask & XFS_AT_MODE) {
+ if (mask & ATTR_MODE) {
mode_t m = 0;
- if ((vap->va_mode & S_ISUID) && !file_owner)
+ if ((iattr->ia_mode & S_ISUID) && !file_owner)
m |= S_ISUID;
- if ((vap->va_mode & S_ISGID) &&
+ if ((iattr->ia_mode & S_ISGID) &&
!in_group_p((gid_t)ip->i_d.di_gid))
m |= S_ISGID;
#if 0
/* Linux allows this, Irix doesn't. */
- if ((vap->va_mode & S_ISVTX) && !S_ISDIR(ip->i_d.di_mode))
+ if ((iattr->ia_mode & S_ISVTX) && !S_ISDIR(ip->i_d.di_mode))
m |= S_ISVTX;
#endif
if (m && !capable(CAP_FSETID))
- vap->va_mode &= ~m;
+ iattr->ia_mode &= ~m;
}
}
@@ -261,7 +237,7 @@ xfs_setattr(
* and can change the group id only to a group of which he
* or she is a member.
*/
- if (mask & (XFS_AT_UID|XFS_AT_GID)) {
+ if (mask & (ATTR_UID|ATTR_GID)) {
/*
* These IDs could have changed since we last looked at them.
* But, we're assured that if the ownership did change
@@ -270,8 +246,8 @@ xfs_setattr(
*/
iuid = ip->i_d.di_uid;
igid = ip->i_d.di_gid;
- gid = (mask & XFS_AT_GID) ? vap->va_gid : igid;
- uid = (mask & XFS_AT_UID) ? vap->va_uid : iuid;
+ gid = (mask & ATTR_GID) ? iattr->ia_gid : igid;
+ uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;
/*
* CAP_CHOWN overrides the following restrictions:
@@ -308,13 +284,13 @@ xfs_setattr(
/*
* Truncate file. Must have write permission and not be a directory.
*/
- if (mask & XFS_AT_SIZE) {
+ if (mask & ATTR_SIZE) {
/* Short circuit the truncate case for zero length files */
- if ((vap->va_size == 0) &&
- (ip->i_size == 0) && (ip->i_d.di_nextents == 0)) {
+ if (iattr->ia_size == 0 &&
+ ip->i_size == 0 && ip->i_d.di_nextents == 0) {
xfs_iunlock(ip, XFS_ILOCK_EXCL);
lock_flags &= ~XFS_ILOCK_EXCL;
- if (mask & XFS_AT_CTIME)
+ if (mask & ATTR_CTIME)
xfs_ichgtime(ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
code = 0;
goto error_return;
@@ -337,9 +313,9 @@ xfs_setattr(
/*
* Change file access or modified times.
*/
- if (mask & (XFS_AT_ATIME|XFS_AT_MTIME)) {
+ if (mask & (ATTR_ATIME|ATTR_MTIME)) {
if (!file_owner) {
- if ((flags & ATTR_UTIME) &&
+ if ((mask & (ATTR_MTIME_SET|ATTR_ATIME_SET)) &&
!capable(CAP_FOWNER)) {
code = XFS_ERROR(EPERM);
goto error_return;
@@ -349,23 +325,22 @@ xfs_setattr(
/*
* Now we can make the changes. Before we join the inode
- * to the transaction, if XFS_AT_SIZE is set then take care of
+ * to the transaction, if ATTR_SIZE is set then take care of
* the part of the truncation that must be done without the
* inode lock. This needs to be done before joining the inode
* to the transaction, because the inode cannot be unlocked
* once it is a part of the transaction.
*/
- if (mask & XFS_AT_SIZE) {
+ if (mask & ATTR_SIZE) {
code = 0;
- if ((vap->va_size > ip->i_size) &&
- (flags & ATTR_NOSIZETOK) == 0) {
+ if (iattr->ia_size > ip->i_size) {
/*
* Do the first part of growing a file: zero any data
* in the last block that is beyond the old EOF. We
* need to do this before the inode is joined to the
* transaction to modify the i_size.
*/
- code = xfs_zero_eof(ip, vap->va_size, ip->i_size);
+ code = xfs_zero_eof(ip, iattr->ia_size, ip->i_size);
}
xfs_iunlock(ip, XFS_ILOCK_EXCL);
@@ -382,10 +357,10 @@ xfs_setattr(
* not within the range we care about here.
*/
if (!code &&
- (ip->i_size != ip->i_d.di_size) &&
- (vap->va_size > ip->i_d.di_size)) {
+ ip->i_size != ip->i_d.di_size &&
+ iattr->ia_size > ip->i_d.di_size) {
code = xfs_flush_pages(ip,
- ip->i_d.di_size, vap->va_size,
+ ip->i_d.di_size, iattr->ia_size,
XFS_B_ASYNC, FI_NONE);
}
@@ -393,7 +368,7 @@ xfs_setattr(
vn_iowait(ip);
if (!code)
- code = xfs_itruncate_data(ip, vap->va_size);
+ code = xfs_itruncate_data(ip, iattr->ia_size);
if (code) {
ASSERT(tp == NULL);
lock_flags &= ~XFS_ILOCK_EXCL;
@@ -422,31 +397,30 @@ xfs_setattr(
/*
* Truncate file. Must have write permission and not be a directory.
*/
- if (mask & XFS_AT_SIZE) {
+ if (mask & ATTR_SIZE) {
/*
* Only change the c/mtime if we are changing the size
* or we are explicitly asked to change it. This handles
* the semantic difference between truncate() and ftruncate()
* as implemented in the VFS.
*/
- if (vap->va_size != ip->i_size || (mask & XFS_AT_CTIME))
+ if (iattr->ia_size != ip->i_size || (mask & ATTR_CTIME))
timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
- if (vap->va_size > ip->i_size) {
- ip->i_d.di_size = vap->va_size;
- ip->i_size = vap->va_size;
- if (!(flags & ATTR_DMI))
+ if (iattr->ia_size > ip->i_size) {
+ ip->i_d.di_size = iattr->ia_size;
+ ip->i_size = iattr->ia_size;
+ if (!(flags & XFS_ATTR_DMI))
xfs_ichgtime(ip, XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- } else if ((vap->va_size <= ip->i_size) ||
- ((vap->va_size == 0) && ip->i_d.di_nextents)) {
+ } else if (iattr->ia_size <= ip->i_size ||
+ (iattr->ia_size == 0 && ip->i_d.di_nextents)) {
/*
* signal a sync transaction unless
* we're truncating an already unlinked
* file on a wsync filesystem
*/
- code = xfs_itruncate_finish(&tp, ip,
- (xfs_fsize_t)vap->va_size,
+ code = xfs_itruncate_finish(&tp, ip, iattr->ia_size,
XFS_DATA_FORK,
((ip->i_d.di_nlink != 0 ||
!(mp->m_flags & XFS_MOUNT_WSYNC))
@@ -468,9 +442,9 @@ xfs_setattr(
/*
* Change file access modes.
*/
- if (mask & XFS_AT_MODE) {
+ if (mask & ATTR_MODE) {
ip->i_d.di_mode &= S_IFMT;
- ip->i_d.di_mode |= vap->va_mode & ~S_IFMT;
+ ip->i_d.di_mode |= iattr->ia_mode & ~S_IFMT;
xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE);
timeflags |= XFS_ICHGTIME_CHG;
@@ -483,7 +457,7 @@ xfs_setattr(
* and can change the group id only to a group of which he
* or she is a member.
*/
- if (mask & (XFS_AT_UID|XFS_AT_GID)) {
+ if (mask & (ATTR_UID|ATTR_GID)) {
/*
* CAP_FSETID overrides the following restrictions:
*
@@ -501,7 +475,7 @@ xfs_setattr(
*/
if (iuid != uid) {
if (XFS_IS_UQUOTA_ON(mp)) {
- ASSERT(mask & XFS_AT_UID);
+ ASSERT(mask & ATTR_UID);
ASSERT(udqp);
olddquot1 = XFS_QM_DQVOPCHOWN(mp, tp, ip,
&ip->i_udquot, udqp);
@@ -511,7 +485,7 @@ xfs_setattr(
if (igid != gid) {
if (XFS_IS_GQUOTA_ON(mp)) {
ASSERT(!XFS_IS_PQUOTA_ON(mp));
- ASSERT(mask & XFS_AT_GID);
+ ASSERT(mask & ATTR_GID);
ASSERT(gdqp);
olddquot2 = XFS_QM_DQVOPCHOWN(mp, tp, ip,
&ip->i_gdquot, gdqp);
@@ -527,31 +501,31 @@ xfs_setattr(
/*
* Change file access or modified times.
*/
- if (mask & (XFS_AT_ATIME|XFS_AT_MTIME)) {
- if (mask & XFS_AT_ATIME) {
- ip->i_d.di_atime.t_sec = vap->va_atime.tv_sec;
- ip->i_d.di_atime.t_nsec = vap->va_atime.tv_nsec;
+ if (mask & (ATTR_ATIME|ATTR_MTIME)) {
+ if (mask & ATTR_ATIME) {
+ ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec;
+ ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec;
ip->i_update_core = 1;
timeflags &= ~XFS_ICHGTIME_ACC;
}
- if (mask & XFS_AT_MTIME) {
- ip->i_d.di_mtime.t_sec = vap->va_mtime.tv_sec;
- ip->i_d.di_mtime.t_nsec = vap->va_mtime.tv_nsec;
+ if (mask & ATTR_MTIME) {
+ ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec;
+ ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec;
timeflags &= ~XFS_ICHGTIME_MOD;
timeflags |= XFS_ICHGTIME_CHG;
}
- if (tp && (flags & ATTR_UTIME))
+ if (tp && (mask & (ATTR_MTIME_SET|ATTR_ATIME_SET)))
xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE);
}
/*
- * Change file inode change time only if XFS_AT_CTIME set
+ * Change file inode change time only if ATTR_CTIME set
* AND we have been called by a DMI function.
*/
- if ( (flags & ATTR_DMI) && (mask & XFS_AT_CTIME) ) {
- ip->i_d.di_ctime.t_sec = vap->va_ctime.tv_sec;
- ip->i_d.di_ctime.t_nsec = vap->va_ctime.tv_nsec;
+ if ((flags & XFS_ATTR_DMI) && (mask & ATTR_CTIME)) {
+ ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec;
+ ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec;
ip->i_update_core = 1;
timeflags &= ~XFS_ICHGTIME_CHG;
}
@@ -560,7 +534,7 @@ xfs_setattr(
* Send out timestamp changes that need to be set to the
* current time. Not done when called by a DMI function.
*/
- if (timeflags && !(flags & ATTR_DMI))
+ if (timeflags && !(flags & XFS_ATTR_DMI))
xfs_ichgtime(ip, timeflags);
XFS_STATS_INC(xs_ig_attrchg);
@@ -598,7 +572,7 @@ xfs_setattr(
}
if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE) &&
- !(flags & ATTR_DMI)) {
+ !(flags & XFS_ATTR_DMI)) {
(void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, ip, DM_RIGHT_NULL,
NULL, DM_RIGHT_NULL, NULL, NULL,
0, 0, AT_DELAY_FLAG(flags));
@@ -3113,7 +3087,7 @@ xfs_alloc_file_space(
/* Generate a DMAPI event if needed. */
if (alloc_type != 0 && offset < ip->i_size &&
- (attr_flags&ATTR_DMI) == 0 &&
+ (attr_flags & XFS_ATTR_DMI) == 0 &&
DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) {
xfs_off_t end_dmi_offset;
@@ -3227,7 +3201,7 @@ retry:
allocatesize_fsb -= allocated_fsb;
}
dmapi_enospc_check:
- if (error == ENOSPC && (attr_flags & ATTR_DMI) == 0 &&
+ if (error == ENOSPC && (attr_flags & XFS_ATTR_DMI) == 0 &&
DM_EVENT_ENABLED(ip, DM_EVENT_NOSPACE)) {
error = XFS_SEND_NAMESP(mp, DM_EVENT_NOSPACE,
ip, DM_RIGHT_NULL,
@@ -3374,7 +3348,7 @@ xfs_free_file_space(
end_dmi_offset = offset + len;
endoffset_fsb = XFS_B_TO_FSBT(mp, end_dmi_offset);
- if (offset < ip->i_size && (attr_flags & ATTR_DMI) == 0 &&
+ if (offset < ip->i_size && (attr_flags & XFS_ATTR_DMI) == 0 &&
DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) {
if (end_dmi_offset > ip->i_size)
end_dmi_offset = ip->i_size;
@@ -3385,7 +3359,7 @@ xfs_free_file_space(
return error;
}
- if (attr_flags & ATTR_NOLOCK)
+ if (attr_flags & XFS_ATTR_NOLOCK)
need_iolock = 0;
if (need_iolock) {
xfs_ilock(ip, XFS_IOLOCK_EXCL);
@@ -3562,7 +3536,7 @@ xfs_change_file_space(
xfs_off_t startoffset;
xfs_off_t llen;
xfs_trans_t *tp;
- bhv_vattr_t va;
+ struct iattr iattr;
xfs_itrace_entry(ip);
@@ -3636,10 +3610,10 @@ xfs_change_file_space(
break;
}
- va.va_mask = XFS_AT_SIZE;
- va.va_size = startoffset;
+ iattr.ia_valid = ATTR_SIZE;
+ iattr.ia_size = startoffset;
- error = xfs_setattr(ip, &va, attr_flags, credp);
+ error = xfs_setattr(ip, &iattr, attr_flags, credp);
if (error)
return error;
@@ -3669,7 +3643,7 @@ xfs_change_file_space(
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_ihold(tp, ip);
- if ((attr_flags & ATTR_DMI) == 0) {
+ if ((attr_flags & XFS_ATTR_DMI) == 0) {
ip->i_d.di_mode &= ~S_ISUID;
/*
OpenPOWER on IntegriCloud