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[XFS] Move some code around to prepare for the upcoming extended

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attributes format change (attr2).

SGI-PV: 941645
SGI-Modid: xfs-linux:xfs-kern:23833a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott
2005-11-02 10:33:33 +11:00
parent e8c8b3a79d
commit aa82daa061
4 changed files with 90 additions and 99 deletions
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117
fs/xfs/xfs_attr.c
View File

@@ -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