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-rw-r--r--fs/cifs/connect.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index da0f4ffa061..0de3b5615a2 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -95,6 +95,7 @@ struct smb_vol {
bool local_lease:1; /* check leases only on local system, not remote */
bool noblocksnd:1;
bool noautotune:1;
+ bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
unsigned int rsize;
unsigned int wsize;
unsigned int sockopt;
@@ -1274,6 +1275,10 @@ cifs_parse_mount_options(char *options, const char *devname,
vol->intr = 0;
} else if (strnicmp(data, "intr", 4) == 0) {
vol->intr = 1;
+ } else if (strnicmp(data, "nostrictsync", 12) == 0) {
+ vol->nostrictsync = 1;
+ } else if (strnicmp(data, "strictsync", 10) == 0) {
+ vol->nostrictsync = 0;
} else if (strnicmp(data, "serverino", 7) == 0) {
vol->server_ino = 1;
} else if (strnicmp(data, "noserverino", 9) == 0) {
@@ -2160,6 +2165,8 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;
if (pvolume_info->nobrl)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;
+ if (pvolume_info->nostrictsync)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOSSYNC;
if (pvolume_info->mand_lock)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NOPOSIXBRL;
if (pvolume_info->cifs_acl)
@@ -3667,7 +3674,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
BCC(smb_buffer_response)) {
kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem =
- kzalloc(length + 2, GFP_KERNEL);
+ kzalloc(2*(length + 1), GFP_KERNEL);
if (tcon->nativeFileSystem)
cifs_strfromUCS_le(
tcon->nativeFileSystem,