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Subject[PATCH 09/39] staging/lustre/llite: use 64bits flags in ll_lov_setea()
Date
From: Niu Yawei <yawei.niu@intel.com>

In ll_lov_setea(), setting MDS_OPEN_HAS_OBJS to an int flags will
result in the flags being overflowed.

Lustre-change: http://review.whamcloud.com/7312
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3744
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
---
drivers/staging/lustre/lustre/llite/file.c | 7 ++++---
.../staging/lustre/lustre/llite/llite_internal.h | 2 +-
drivers/staging/lustre/lustre/llite/xattr.c | 6 +++---
3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c
index 02b297b..d3f375d 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -1401,7 +1401,8 @@ static int ll_lov_recreate_fid(struct inode *inode, unsigned long arg)
}

int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
- int flags, struct lov_user_md *lum, int lum_size)
+ __u64 flags, struct lov_user_md *lum,
+ int lum_size)
{
struct lov_stripe_md *lsm = NULL;
struct lookup_intent oit = {.it_op = IT_OPEN, .it_flags = flags};
@@ -1522,7 +1523,7 @@ out:
static int ll_lov_setea(struct inode *inode, struct file *file,
unsigned long arg)
{
- int flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
+ __u64 flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
struct lov_user_md *lump;
int lum_size = sizeof(struct lov_user_md) +
sizeof(struct lov_user_ost_data);
@@ -1554,7 +1555,7 @@ static int ll_lov_setstripe(struct inode *inode, struct file *file,
struct lov_user_md_v1 *lumv1p = (struct lov_user_md_v1 *)arg;
struct lov_user_md_v3 *lumv3p = (struct lov_user_md_v3 *)arg;
int lum_size, rc;
- int flags = FMODE_WRITE;
+ __u64 flags = FMODE_WRITE;

/* first try with v1 which is smaller than v3 */
lum_size = sizeof(struct lov_user_md_v1);
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index 37e33ab..69b5d91 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -790,7 +790,7 @@ struct posix_acl * ll_get_acl(struct inode *inode, int type);
int ll_inode_permission(struct inode *inode, int mask);

int ll_lov_setstripe_ea_info(struct inode *inode, struct file *file,
- int flags, struct lov_user_md *lum,
+ __u64 flags, struct lov_user_md *lum,
int lum_size);
int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
struct lov_mds_md **lmm, int *lmm_size,
diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
index 8c96854..b6cb0db 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -236,13 +236,13 @@ int ll_setxattr(struct dentry *dentry, const char *name,
lump->lmm_stripe_offset = -1;

if (lump != NULL && S_ISREG(inode->i_mode)) {
- struct file f;
- int flags = FMODE_WRITE;
+ struct file f;
+ __u64 it_flags = FMODE_WRITE;
int lum_size = (lump->lmm_magic == LOV_USER_MAGIC_V1) ?
sizeof(*lump) : sizeof(struct lov_user_md_v3);

f.f_dentry = dentry;
- rc = ll_lov_setstripe_ea_info(inode, &f, flags, lump,
+ rc = ll_lov_setstripe_ea_info(inode, &f, it_flags, lump,
lum_size);
/* b10667: rc always be 0 here for now */
rc = 0;
--
1.7.9.5


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