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authorNathan Scott <nathans@sgi.com>2005-11-02 10:33:33 +1100
committerNathan Scott <nathans@sgi.com>2005-11-02 10:33:33 +1100
commitaa82daa06198b27963fe3d6ee8035855b29f6524 (patch)
tree7c618d365997e8a9a326739f0579b3cc1272e62e /fs/xfs/xfs_attr.c
parente8c8b3a79d85c22d3665b97dde843dc4d8d7ae37 (diff)
downloadlinux-aa82daa06198b27963fe3d6ee8035855b29f6524.tar.bz2
[XFS] Move some code around to prepare for the upcoming extended
attributes format change (attr2). SGI-PV: 941645 SGI-Modid: xfs-linux:xfs-kern:23833a Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_attr.c')
-rw-r--r--fs/xfs/xfs_attr.c117
1 files changed, 64 insertions, 53 deletions
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index a41ad3a5e554..ce9f673f2b4c 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@@ -200,40 +200,18 @@ xfs_attr_get(bhv_desc_t *bdp, char *name, char *value, int *valuelenp,
return(error);
}
-/*ARGSUSED*/
-int /* error */
-xfs_attr_set(bhv_desc_t *bdp, char *name, char *value, int valuelen, int flags,
- struct cred *cred)
+int
+xfs_attr_set_int(xfs_inode_t *dp, char *name, int namelen,
+ char *value, int valuelen, int flags)
{
xfs_da_args_t args;
- xfs_inode_t *dp;
xfs_fsblock_t firstblock;
xfs_bmap_free_t flist;
int error, err2, committed;
int local, size;
uint nblks;
- xfs_mount_t *mp;
+ xfs_mount_t *mp = dp->i_mount;
int rsvd = (flags & ATTR_ROOT) != 0;
- int namelen;
-
- namelen = strlen(name);
- if (namelen >= MAXNAMELEN)
- return EFAULT; /* match IRIX behaviour */
-
- XFS_STATS_INC(xs_attr_set);
-
- dp = XFS_BHVTOI(bdp);
- mp = dp->i_mount;
- if (XFS_FORCED_SHUTDOWN(mp))
- return (EIO);
-
- xfs_ilock(dp, XFS_ILOCK_SHARED);
- if (!(flags & ATTR_SECURE) &&
- (error = xfs_iaccess(dp, S_IWUSR, cred))) {
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
- return(XFS_ERROR(error));
- }
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
/*
* Attach the dquots to the inode.
@@ -270,7 +248,8 @@ xfs_attr_set(bhv_desc_t *bdp, char *name, char *value, int valuelen, int flags,
/* Determine space new attribute will use, and if it will be inline
* or out of line.
*/
- size = xfs_attr_leaf_newentsize(&args, mp->m_sb.sb_blocksize, &local);
+ size = xfs_attr_leaf_newentsize(namelen, valuelen,
+ mp->m_sb.sb_blocksize, &local);
nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK);
if (local) {
@@ -456,32 +435,21 @@ out:
return(error);
}
-/*
- * Generic handler routine to remove a name from an attribute list.
- * Transitions attribute list from Btree to shortform as necessary.
- */
-/*ARGSUSED*/
-int /* error */
-xfs_attr_remove(bhv_desc_t *bdp, char *name, int flags, struct cred *cred)
+int
+xfs_attr_set(bhv_desc_t *bdp, char *name, char *value, int valuelen, int flags,
+ struct cred *cred)
{
- xfs_da_args_t args;
- xfs_inode_t *dp;
- xfs_fsblock_t firstblock;
- xfs_bmap_free_t flist;
- int error;
- xfs_mount_t *mp;
- int namelen;
+ xfs_inode_t *dp;
+ int namelen, error;
- ASSERT(MAXNAMELEN-1<=0xff); /* length is stored in uint8 */
namelen = strlen(name);
- if (namelen>=MAXNAMELEN)
- return EFAULT; /* match irix behaviour */
+ if (namelen >= MAXNAMELEN)
+ return EFAULT; /* match IRIX behaviour */
- XFS_STATS_INC(xs_attr_remove);
+ XFS_STATS_INC(xs_attr_set);
dp = XFS_BHVTOI(bdp);
- mp = dp->i_mount;
- if (XFS_FORCED_SHUTDOWN(mp))
+ if (XFS_FORCED_SHUTDOWN(dp->i_mount))
return (EIO);
xfs_ilock(dp, XFS_ILOCK_SHARED);
@@ -489,14 +457,25 @@ xfs_attr_remove(bhv_desc_t *bdp, char *name, int flags, struct cred *cred)
(error = xfs_iaccess(dp, S_IWUSR, cred))) {
xfs_iunlock(dp, XFS_ILOCK_SHARED);
return(XFS_ERROR(error));
- } else if (XFS_IFORK_Q(dp) == 0 ||
- (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
- dp->i_d.di_anextents == 0)) {
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
- return(XFS_ERROR(ENOATTR));
}
xfs_iunlock(dp, XFS_ILOCK_SHARED);
+ return xfs_attr_set_int(dp, name, namelen, value, valuelen, flags);
+}
+
+/*
+ * Generic handler routine to remove a name from an attribute list.
+ * Transitions attribute list from Btree to shortform as necessary.
+ */
+int
+xfs_attr_remove_int(xfs_inode_t *dp, char *name, int namelen, int flags)
+{
+ xfs_da_args_t args;
+ xfs_fsblock_t firstblock;
+ xfs_bmap_free_t flist;
+ int error;
+ xfs_mount_t *mp = dp->i_mount;
+
/*
* Fill in the arg structure for this request.
*/
@@ -612,6 +591,38 @@ out:
return(error);
}
+int
+xfs_attr_remove(bhv_desc_t *bdp, char *name, int flags, struct cred *cred)
+{
+ xfs_inode_t *dp;
+ int namelen, error;
+
+ namelen = strlen(name);
+ if (namelen >= MAXNAMELEN)
+ return EFAULT; /* match IRIX behaviour */
+
+ XFS_STATS_INC(xs_attr_remove);
+
+ dp = XFS_BHVTOI(bdp);
+ if (XFS_FORCED_SHUTDOWN(dp->i_mount))
+ return (EIO);
+
+ xfs_ilock(dp, XFS_ILOCK_SHARED);
+ if (!(flags & ATTR_SECURE) &&
+ (error = xfs_iaccess(dp, S_IWUSR, cred))) {
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
+ return(XFS_ERROR(error));
+ } else if (XFS_IFORK_Q(dp) == 0 ||
+ (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
+ dp->i_d.di_anextents == 0)) {
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
+ return(XFS_ERROR(ENOATTR));
+ }
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
+
+ return xfs_attr_remove_int(dp, name, namelen, flags);
+}
+
/*
* Generate a list of extended attribute names and optionally
* also value lengths. Positive return value follows the XFS