diff options
| author | Gary S. Robertson <gary.robertson@linaro.org> | 2015-09-09 14:34:49 -0500 |
|---|---|---|
| committer | Gary S. Robertson <gary.robertson@linaro.org> | 2015-09-09 14:34:49 -0500 |
| commit | 60f13d2d65b7c0c4096321ee88670e56954ee215 (patch) | |
| tree | d00f8c8159913c76970b2da3b2942ba08909bd1e /fs/ufs/super.c | |
| parent | fc6c8563fb89aaaab437f8215894219e54dfc5df (diff) | |
| parent | 417f54239f760856db32c520ae542ff288145c13 (diff) | |
Merge tag 'lsk-v3.18-15.08' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v3.18linux-lng-3.18.20-2015.09linux-linaro-lng-v3.18-test
LSK 15.08 v3.18
Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org>
Conflicts:
drivers/clocksource/exynos_mct.c
Diffstat (limited to 'fs/ufs/super.c')
| -rw-r--r-- | fs/ufs/super.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c index da73801301d5..ce02dff5572f 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -698,6 +698,7 @@ static int ufs_sync_fs(struct super_block *sb, int wait) unsigned flags; lock_ufs(sb); + mutex_lock(&UFS_SB(sb)->s_lock); UFSD("ENTER\n"); @@ -715,6 +716,7 @@ static int ufs_sync_fs(struct super_block *sb, int wait) ufs_put_cstotal(sb); UFSD("EXIT\n"); + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return 0; @@ -803,6 +805,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY)); mutex_init(&sbi->mutex); + mutex_init(&sbi->s_lock); spin_lock_init(&sbi->work_lock); INIT_DELAYED_WORK(&sbi->sync_work, delayed_sync_fs); /* @@ -1281,6 +1284,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) sync_filesystem(sb); lock_ufs(sb); + mutex_lock(&UFS_SB(sb)->s_lock); uspi = UFS_SB(sb)->s_uspi; flags = UFS_SB(sb)->s_flags; usb1 = ubh_get_usb_first(uspi); @@ -1294,6 +1298,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) new_mount_opt = 0; ufs_set_opt (new_mount_opt, ONERROR_LOCK); if (!ufs_parse_options (data, &new_mount_opt)) { + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return -EINVAL; } @@ -1301,12 +1306,14 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) new_mount_opt |= ufstype; } else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) { pr_err("ufstype can't be changed during remount\n"); + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return -EINVAL; } if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { UFS_SB(sb)->s_mount_opt = new_mount_opt; + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return 0; } @@ -1330,6 +1337,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) */ #ifndef CONFIG_UFS_FS_WRITE pr_err("ufs was compiled with read-only support, can't be mounted as read-write\n"); + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return -EINVAL; #else @@ -1339,11 +1347,13 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) ufstype != UFS_MOUNT_UFSTYPE_SUNx86 && ufstype != UFS_MOUNT_UFSTYPE_UFS2) { pr_err("this ufstype is read-only supported\n"); + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return -EINVAL; } if (!ufs_read_cylinder_structures(sb)) { pr_err("failed during remounting\n"); + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return -EPERM; } @@ -1351,6 +1361,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) #endif } UFS_SB(sb)->s_mount_opt = new_mount_opt; + mutex_unlock(&UFS_SB(sb)->s_lock); unlock_ufs(sb); return 0; } |