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Diffstat (limited to 'fs/ubifs/super.c')
-rw-r--r--fs/ubifs/super.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 333e181ee98..4d2f2157dd3 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -283,7 +283,7 @@ static void ubifs_destroy_inode(struct inode *inode)
/*
* Note, Linux write-back code calls this without 'i_mutex'.
*/
-static int ubifs_write_inode(struct inode *inode, int wait)
+static int ubifs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int err = 0;
struct ubifs_info *c = inode->i_sb->s_fs_info;
@@ -1393,12 +1393,7 @@ static int mount_ubifs(struct ubifs_info *c)
c->leb_size, c->leb_size >> 10);
dbg_msg("data journal heads: %d",
c->jhead_cnt - NONDATA_JHEADS_CNT);
- dbg_msg("UUID: %02X%02X%02X%02X-%02X%02X"
- "-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
- c->uuid[0], c->uuid[1], c->uuid[2], c->uuid[3],
- c->uuid[4], c->uuid[5], c->uuid[6], c->uuid[7],
- c->uuid[8], c->uuid[9], c->uuid[10], c->uuid[11],
- c->uuid[12], c->uuid[13], c->uuid[14], c->uuid[15]);
+ dbg_msg("UUID: %pUB", c->uuid);
dbg_msg("big_lpt %d", c->big_lpt);
dbg_msg("log LEBs: %d (%d - %d)",
c->log_lebs, UBIFS_LOG_LNUM, c->log_last);
@@ -1842,22 +1837,32 @@ const struct super_operations ubifs_super_operations = {
* @name: UBI volume name
* @mode: UBI volume open mode
*
- * There are several ways to specify UBI volumes when mounting UBIFS:
- * o ubiX_Y - UBI device number X, volume Y;
- * o ubiY - UBI device number 0, volume Y;
+ * The primary method of mounting UBIFS is by specifying the UBI volume
+ * character device node path. However, UBIFS may also be mounted withoug any
+ * character device node using one of the following methods:
+ *
+ * o ubiX_Y - mount UBI device number X, volume Y;
+ * o ubiY - mount UBI device number 0, volume Y;
* o ubiX:NAME - mount UBI device X, volume with name NAME;
* o ubi:NAME - mount UBI device 0, volume with name NAME.
*
* Alternative '!' separator may be used instead of ':' (because some shells
* like busybox may interpret ':' as an NFS host name separator). This function
- * returns ubi volume object in case of success and a negative error code in
- * case of failure.
+ * returns UBI volume description object in case of success and a negative
+ * error code in case of failure.
*/
static struct ubi_volume_desc *open_ubi(const char *name, int mode)
{
+ struct ubi_volume_desc *ubi;
int dev, vol;
char *endptr;
+ /* First, try to open using the device node path method */
+ ubi = ubi_open_volume_path(name, mode);
+ if (!IS_ERR(ubi))
+ return ubi;
+
+ /* Try the "nodev" method */
if (name[0] != 'u' || name[1] != 'b' || name[2] != 'i')
return ERR_PTR(-EINVAL);