diff options
| -rw-r--r-- | fs/nfsd/nfsctl.c | 3 | ||||
| -rw-r--r-- | fs/proc/root.c | 3 | ||||
| -rw-r--r-- | fs/super.c | 10 | ||||
| -rw-r--r-- | include/linux/fs_context.h | 7 | ||||
| -rw-r--r-- | ipc/mqueue.c | 3 | ||||
| -rw-r--r-- | net/sunrpc/rpc_pipe.c | 3 |
6 files changed, 20 insertions, 9 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 13c548733860..695223394985 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1386,8 +1386,7 @@ static int nfsd_fill_super(struct super_block *sb, struct fs_context *fc) static int nfsd_fs_get_tree(struct fs_context *fc) { - fc->s_fs_info = get_net(fc->net_ns); - return vfs_get_super(fc, vfs_get_keyed_super, nfsd_fill_super); + return get_tree_keyed(fc, nfsd_fill_super, get_net(fc->net_ns)); } static void nfsd_fs_free_fc(struct fs_context *fc) diff --git a/fs/proc/root.c b/fs/proc/root.c index 33f72d1b92cc..0b7c8dffc9ae 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -157,8 +157,7 @@ static int proc_get_tree(struct fs_context *fc) { struct proc_fs_context *ctx = fc->fs_private; - fc->s_fs_info = ctx->pid_ns; - return vfs_get_super(fc, vfs_get_keyed_super, proc_fill_super); + return get_tree_keyed(fc, proc_fill_super, ctx->pid_ns); } static void proc_fs_context_free(struct fs_context *fc) diff --git a/fs/super.c b/fs/super.c index 5960578a4076..0220def9baba 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1211,6 +1211,16 @@ int get_tree_single(struct fs_context *fc, } EXPORT_SYMBOL(get_tree_single); +int get_tree_keyed(struct fs_context *fc, + int (*fill_super)(struct super_block *sb, + struct fs_context *fc), + void *key) +{ + fc->s_fs_info = key; + return vfs_get_super(fc, vfs_get_keyed_super, fill_super); +} +EXPORT_SYMBOL(get_tree_keyed); + #ifdef CONFIG_BLOCK static int set_bdev_super(struct super_block *s, void *data) { diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index 7c6fe3d47fa6..aad5e68d58e2 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -136,7 +136,7 @@ extern int vfs_get_tree(struct fs_context *fc); extern void put_fs_context(struct fs_context *fc); /* - * sget() wrapper to be called from the ->get_tree() op. + * sget() wrappers to be called from the ->get_tree() op. */ enum vfs_get_super_keying { vfs_get_single_super, /* Only one such superblock may exist */ @@ -147,12 +147,17 @@ extern int vfs_get_super(struct fs_context *fc, enum vfs_get_super_keying keying, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); + extern int get_tree_nodev(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); extern int get_tree_single(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); +extern int get_tree_keyed(struct fs_context *fc, + int (*fill_super)(struct super_block *sb, + struct fs_context *fc), + void *key); extern const struct file_operations fscontext_fops; diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 7a5a8edc3de3..7c15729d9d25 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -364,8 +364,7 @@ static int mqueue_get_tree(struct fs_context *fc) { struct mqueue_fs_context *ctx = fc->fs_private; - fc->s_fs_info = ctx->ipc_ns; - return vfs_get_super(fc, vfs_get_keyed_super, mqueue_fill_super); + return get_tree_keyed(fc, mqueue_fill_super, ctx->ipc_ns); } static void mqueue_fs_context_free(struct fs_context *fc) diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 748bac601e47..b71a39ded930 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -1416,8 +1416,7 @@ EXPORT_SYMBOL_GPL(gssd_running); static int rpc_fs_get_tree(struct fs_context *fc) { - fc->s_fs_info = get_net(fc->net_ns); - return vfs_get_super(fc, vfs_get_keyed_super, rpc_fill_super); + return get_tree_keyed(fc, rpc_fill_super, get_net(fc->net_ns)); } static void rpc_fs_free_fc(struct fs_context *fc) |