*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
+ * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
*
* 0 4 4 + EA_SIZE(ea1)
* +------------+-------------------+--------------------+-----
- * | Overall EA | First FEA Element | Second FEA Element | .....
+ * | Overall EA | First FEA Element | Second FEA Element | .....
* | List Size | | |
* +------------+-------------------+--------------------+-----
*
* On-disk:
*
- * FEALISTs are stored on disk using blocks allocated by dbAlloc() and
- * written directly. An EA list may be in-lined in the inode if there is
- * sufficient room available.
+ * FEALISTs are stored on disk using blocks allocated by dbAlloc() and
+ * written directly. An EA list may be in-lined in the inode if there is
+ * sufficient room available.
*/
struct ea_buffer {
*/
if ((ea->namelen >= XATTR_SYSTEM_PREFIX_LEN) &&
!strncmp(ea->name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
- return FALSE;
+ return false;
/*
* Check for "user."
*/
if ((ea->namelen >= XATTR_USER_PREFIX_LEN) &&
!strncmp(ea->name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN))
- return FALSE;
+ return false;
/*
* Check for "security."
*/
if ((ea->namelen >= XATTR_SECURITY_PREFIX_LEN) &&
!strncmp(ea->name, XATTR_SECURITY_PREFIX,
XATTR_SECURITY_PREFIX_LEN))
- return FALSE;
+ return false;
/*
* Check for "trusted."
*/
if ((ea->namelen >= XATTR_TRUSTED_PREFIX_LEN) &&
!strncmp(ea->name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN))
- return FALSE;
+ return false;
/*
* Add any other valid namespace prefixes here
*/
/*
* We assume it's OS/2's flat namespace
*/
- return TRUE;
+ return true;
}
static inline int name_size(struct jfs_ea *ea)
/*
* NAME: ea_write_inline
- *
+ *
* FUNCTION: Attempt to write an EA inline if area is available
- *
+ *
* PRE CONDITIONS:
* Already verified that the specified EA is small enough to fit inline
*
/*
* NAME: ea_write
- *
+ *
* FUNCTION: Write an EA for an inode
- *
- * PRE CONDITIONS: EA has been verified
+ *
+ * PRE CONDITIONS: EA has been verified
*
* PARAMETERS:
* ip - Inode pointer
nblocks = (size + (sb->s_blocksize - 1)) >> sb->s_blocksize_bits;
/* Allocate new blocks to quota. */
- if (DQUOT_ALLOC_BLOCK(ip, nblocks)) {
+ if (vfs_dq_alloc_block(ip, nblocks)) {
return -EDQUOT;
}
rc = dbAlloc(ip, INOHINT(ip), nblocks, &blkno);
if (rc) {
/*Rollback quota allocation. */
- DQUOT_FREE_BLOCK(ip, nblocks);
+ vfs_dq_free_block(ip, nblocks);
return rc;
}
failed:
/* Rollback quota allocation. */
- DQUOT_FREE_BLOCK(ip, nblocks);
+ vfs_dq_free_block(ip, nblocks);
dbFree(ip, blkno, nblocks);
return rc;
/*
* NAME: ea_read_inline
- *
+ *
* FUNCTION: Read an inlined EA into user's buffer
- *
+ *
* PARAMETERS:
* ip - Inode pointer
* ealist - Pointer to buffer to fill in with EA
/*
* NAME: ea_read
- *
+ *
* FUNCTION: copy EA data into user's buffer
- *
+ *
* PARAMETERS:
* ip - Inode pointer
* ealist - Pointer to buffer to fill in with EA
return -EIO;
}
- /*
+ /*
* Figure out how many blocks were allocated when this EA list was
* originally written to disk.
*/
/*
* NAME: ea_get
- *
+ *
* FUNCTION: Returns buffer containing existing extended attributes.
* The size of the buffer will be the larger of the existing
* attributes size, or min_size.
*
* The buffer, which may be inlined in the inode or in the
- * page cache must be release by calling ea_release or ea_put
- *
+ * page cache must be release by calling ea_release or ea_put
+ *
* PARAMETERS:
* inode - Inode pointer
* ea_buf - Structure to be populated with ealist and its metadata
if (blocks_needed > current_blocks) {
/* Allocate new blocks to quota. */
- if (DQUOT_ALLOC_BLOCK(inode, blocks_needed))
+ if (vfs_dq_alloc_block(inode, blocks_needed))
return -EDQUOT;
quota_allocation = blocks_needed;
size_check:
if (EALIST_SIZE(ea_buf->xattr) != ea_size) {
printk(KERN_ERR "ea_get: invalid extended attribute\n");
- dump_mem("xattr", ea_buf->xattr, ea_size);
+ print_hex_dump(KERN_ERR, "", DUMP_PREFIX_ADDRESS, 16, 1,
+ ea_buf->xattr, ea_size, 1);
ea_release(inode, ea_buf);
rc = -EIO;
goto clean_up;
clean_up:
/* Rollback quota allocation */
if (quota_allocation)
- DQUOT_FREE_BLOCK(inode, quota_allocation);
+ vfs_dq_free_block(inode, quota_allocation);
return (rc);
}
/* If old blocks exist, they must be removed from quota allocation. */
if (old_blocks)
- DQUOT_FREE_BLOCK(inode, old_blocks);
+ vfs_dq_free_block(inode, old_blocks);
inode->i_ctime = CURRENT_TIME;
struct posix_acl *acl;
int rc;
- if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
+ if (!is_owner_or_cap(inode))
return -EPERM;
/*
/*
* We're changing the ACL. Get rid of the cached one
*/
- acl =JFS_IP(inode)->i_acl;
- if (acl != JFS_ACL_NOT_CACHED)
- posix_acl_release(acl);
- JFS_IP(inode)->i_acl = JFS_ACL_NOT_CACHED;
+ forget_cached_acl(inode, ACL_TYPE_ACCESS);
return 0;
} else if (strcmp(name, POSIX_ACL_XATTR_DEFAULT) == 0) {
/*
* We're changing the default ACL. Get rid of the cached one
*/
- acl =JFS_IP(inode)->i_default_acl;
- if (acl && (acl != JFS_ACL_NOT_CACHED))
- posix_acl_release(acl);
- JFS_IP(inode)->i_default_acl = JFS_ACL_NOT_CACHED;
+ forget_cached_acl(inode, ACL_TYPE_DEFAULT);
return 0;
}
return -EOPNOTSUPP;
}
+/*
+ * Most of the permission checking is done by xattr_permission in the vfs.
+ * The local file system is responsible for handling the system.* namespace.
+ * We also need to verify that this is a namespace that we recognize.
+ */
static int can_set_xattr(struct inode *inode, const char *name,
const void *value, size_t value_len)
{
strncmp(name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN))
return -EOPNOTSUPP;
- if (!S_ISREG(inode->i_mode) &&
- (!S_ISDIR(inode->i_mode) || inode->i_mode &S_ISVTX))
- return -EPERM;
-
return 0;
}
/* compute required size of list */
for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
- if (can_list(ea))
+ if (can_list(ea))
size += name_size(ea) + 1;
}
/* Copy attribute names to buffer */
buffer = data;
for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
- if (can_list(ea)) {
+ if (can_list(ea)) {
int namelen = copy_name(buffer, ea);
buffer += namelen + 1;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff