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[XFS] kill xfs_getattr

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It's currently used by the ACL code to read di_mode/di_uid, but these are
simple 32bit scalar values we can just read directly without locking.

SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30897a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig
2008-04-22 17:33:33 +10:00
committed by Lachlan McIlroy
parent 42173f6860
commit 4e5dbb3498
3 changed files with 7 additions and 160 deletions
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40
fs/xfs/xfs_acl.c
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@@ -238,15 +238,8 @@ xfs_acl_vget(
error = EINVAL;
goto out;
}
if (kind == _ACL_TYPE_ACCESS) {
bhv_vattr_t va;
va.va_mask = XFS_AT_MODE;
error = xfs_getattr(xfs_vtoi(vp), &va, 0);
if (error)
goto out;
xfs_acl_sync_mode(va.va_mode, xfs_acl);
}
if (kind == _ACL_TYPE_ACCESS)
xfs_acl_sync_mode(xfs_vtoi(vp)->i_d.di_mode, xfs_acl);
error = -posix_acl_xfs_to_xattr(xfs_acl, ext_acl, size);
}
out:
@@ -373,23 +366,15 @@ xfs_acl_allow_set(
bhv_vnode_t *vp,
int kind)
{
xfs_inode_t *ip = xfs_vtoi(vp);
bhv_vattr_t va;
int error;
if (vp->i_flags & (S_IMMUTABLE|S_APPEND))
return EPERM;
if (kind == _ACL_TYPE_DEFAULT && !S_ISDIR(vp->i_mode))
return ENOTDIR;
if (vp->i_sb->s_flags & MS_RDONLY)
return EROFS;
va.va_mask = XFS_AT_UID;
error = xfs_getattr(ip, &va, 0);
if (error)
return error;
if (va.va_uid != current->fsuid && !capable(CAP_FOWNER))
if (xfs_vtoi(vp)->i_d.di_uid != current->fsuid && !capable(CAP_FOWNER))
return EPERM;
return error;
return 0;
}
/*
@@ -643,7 +628,6 @@ xfs_acl_vtoacl(
xfs_acl_t *access_acl,
xfs_acl_t *default_acl)
{
bhv_vattr_t va;
int error = 0;
if (access_acl) {
@@ -652,16 +636,10 @@ xfs_acl_vtoacl(
* be obtained for some reason, invalidate the access ACL.
*/
xfs_acl_get_attr(vp, access_acl, _ACL_TYPE_ACCESS, 0, &error);
if (!error) {
/* Got the ACL, need the mode... */
va.va_mask = XFS_AT_MODE;
error = xfs_getattr(xfs_vtoi(vp), &va, 0);
}
if (error)
access_acl->acl_cnt = XFS_ACL_NOT_PRESENT;
else /* We have a good ACL and the file mode, synchronize. */
xfs_acl_sync_mode(va.va_mode, access_acl);
xfs_acl_sync_mode(xfs_vtoi(vp)->i_d.di_mode, access_acl);
}
if (default_acl) {
@@ -744,7 +722,7 @@ xfs_acl_setmode(
bhv_vattr_t va;
xfs_acl_entry_t *ap;
xfs_acl_entry_t *gap = NULL;
int i, error, nomask = 1;
int i, nomask = 1;
*basicperms = 1;
@@ -756,11 +734,7 @@ xfs_acl_setmode(
* mode. The m:: bits take precedence over the g:: bits.
*/
va.va_mask = XFS_AT_MODE;
error = xfs_getattr(xfs_vtoi(vp), &va, 0);
if (error)
return error;
va.va_mask = XFS_AT_MODE;
va.va_mode = xfs_vtoi(vp)->i_d.di_mode;
va.va_mode &= ~(S_IRWXU|S_IRWXG|S_IRWXO);
ap = acl->acl_entry;
for (i = 0; i < acl->acl_cnt; ++i) {