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Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

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* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: fix force shutdown handling in xfs_end_io
  xfs: constify xfs_item_ops
  xfs: Fix possible memory corruption in xfs_readlink
This commit is contained in:
Linus Torvalds 2011-11-11 23:37:17 -02:00
commit 53e3ccfd15
9 changed files with 23 additions and 17 deletions
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2
fs/xfs/xfs_aops.c
View File

@ -189,7 +189,7 @@ xfs_end_io(
int error = 0;
if (XFS_FORCED_SHUTDOWN(ip->i_mount)) {
error = -EIO;
ioend->io_error = -EIO;
goto done;
}
if (ioend->io_error)

2
fs/xfs/xfs_buf_item.c
View File

@ -656,7 +656,7 @@ xfs_buf_item_committing(
/*
* This is the ops vector shared by all buf log items.
*/
static struct xfs_item_ops xfs_buf_item_ops = {
static const struct xfs_item_ops xfs_buf_item_ops = {
.iop_size = xfs_buf_item_size,
.iop_format = xfs_buf_item_format,
.iop_pin = xfs_buf_item_pin,

6
fs/xfs/xfs_dquot_item.c
View File

@ -295,7 +295,7 @@ xfs_qm_dquot_logitem_committing(
/*
* This is the ops vector for dquots
*/
static struct xfs_item_ops xfs_dquot_item_ops = {
static const struct xfs_item_ops xfs_dquot_item_ops = {
.iop_size = xfs_qm_dquot_logitem_size,
.iop_format = xfs_qm_dquot_logitem_format,
.iop_pin = xfs_qm_dquot_logitem_pin,
@ -483,7 +483,7 @@ xfs_qm_qoff_logitem_committing(
{
}
static struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
static const struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
.iop_size = xfs_qm_qoff_logitem_size,
.iop_format = xfs_qm_qoff_logitem_format,
.iop_pin = xfs_qm_qoff_logitem_pin,
@ -498,7 +498,7 @@ static struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
/*
* This is the ops vector shared by all quotaoff-start log items.
*/
static struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
static const struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
.iop_size = xfs_qm_qoff_logitem_size,
.iop_format = xfs_qm_qoff_logitem_format,
.iop_pin = xfs_qm_qoff_logitem_pin,

4
fs/xfs/xfs_extfree_item.c
View File

@ -217,7 +217,7 @@ xfs_efi_item_committing(
/*
* This is the ops vector shared by all efi log items.
*/
static struct xfs_item_ops xfs_efi_item_ops = {
static const struct xfs_item_ops xfs_efi_item_ops = {
.iop_size = xfs_efi_item_size,
.iop_format = xfs_efi_item_format,
.iop_pin = xfs_efi_item_pin,
@ -477,7 +477,7 @@ xfs_efd_item_committing(
/*
* This is the ops vector shared by all efd log items.
*/
static struct xfs_item_ops xfs_efd_item_ops = {
static const struct xfs_item_ops xfs_efd_item_ops = {
.iop_size = xfs_efd_item_size,
.iop_format = xfs_efd_item_format,
.iop_pin = xfs_efd_item_pin,

2
fs/xfs/xfs_inode_item.c
View File

@ -795,7 +795,7 @@ xfs_inode_item_committing(
/*
* This is the ops vector shared by all buf log items.
*/
static struct xfs_item_ops xfs_inode_item_ops = {
static const struct xfs_item_ops xfs_inode_item_ops = {
.iop_size = xfs_inode_item_size,
.iop_format = xfs_inode_item_format,
.iop_pin = xfs_inode_item_pin,

2
fs/xfs/xfs_log.c
View File

@ -626,7 +626,7 @@ xfs_log_item_init(
struct xfs_mount *mp,
struct xfs_log_item *item,
int type,
struct xfs_item_ops *ops)
const struct xfs_item_ops *ops)
{
item->li_mountp = mp;
item->li_ailp = mp->m_ail;

2
fs/xfs/xfs_log.h
View File

@ -137,7 +137,7 @@ struct xfs_trans;
void xfs_log_item_init(struct xfs_mount *mp,
struct xfs_log_item *item,
int type,
struct xfs_item_ops *ops);
const struct xfs_item_ops *ops);
xfs_lsn_t xfs_log_done(struct xfs_mount *mp,
struct xlog_ticket *ticket,

6
fs/xfs/xfs_trans.h
View File

@ -326,7 +326,7 @@ typedef struct xfs_log_item {
struct xfs_log_item *);
/* buffer item iodone */
/* callback func */
struct xfs_item_ops *li_ops; /* function list */
const struct xfs_item_ops *li_ops; /* function list */
/* delayed logging */
struct list_head li_cil; /* CIL pointers */
@ -341,7 +341,7 @@ typedef struct xfs_log_item {
{ XFS_LI_IN_AIL, "IN_AIL" }, \
{ XFS_LI_ABORTED, "ABORTED" }
typedef struct xfs_item_ops {
struct xfs_item_ops {
uint (*iop_size)(xfs_log_item_t *);
void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
void (*iop_pin)(xfs_log_item_t *);
@ -352,7 +352,7 @@ typedef struct xfs_item_ops {
void (*iop_push)(xfs_log_item_t *);
bool (*iop_pushbuf)(xfs_log_item_t *);
void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
} xfs_item_ops_t;
};
#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
#define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)

14
fs/xfs/xfs_vnodeops.c
View File

@ -112,7 +112,7 @@ xfs_readlink(
char *link)
{
xfs_mount_t *mp = ip->i_mount;
int pathlen;
xfs_fsize_t pathlen;
int error = 0;
trace_xfs_readlink(ip);
@ -122,13 +122,19 @@ xfs_readlink(
xfs_ilock(ip, XFS_ILOCK_SHARED);
ASSERT(S_ISLNK(ip->i_d.di_mode));
ASSERT(ip->i_d.di_size <= MAXPATHLEN);
pathlen = ip->i_d.di_size;
if (!pathlen)
goto out;
if (pathlen < 0 || pathlen > MAXPATHLEN) {
xfs_alert(mp, "%s: inode (%llu) bad symlink length (%lld)",
__func__, (unsigned long long) ip->i_ino,
(long long) pathlen);
ASSERT(0);
return XFS_ERROR(EFSCORRUPTED);
}
if (ip->i_df.if_flags & XFS_IFINLINE) {
memcpy(link, ip->i_df.if_u1.if_data, pathlen);
link[pathlen] = '\0';