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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-10 08:45:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-10 08:45:30 -0700 |
| commit | a2e5ad45a9741068f357de4dbff50bb37c233e1b (patch) | |
| tree | 4bf22a8a01301d5c8d10cb3dcf2397e403c37987 /fs/fuse/inode.c | |
| parent | 26c5eaa1326e9703effd01e7cc3cc0d4ad4b3c19 (diff) | |
| parent | 0b6e9ea041e6c932f5b3a86fae2d60cbcfad4dd2 (diff) | |
| download | linux-a2e5ad45a9741068f357de4dbff50bb37c233e1b.tar.bz2 | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
"Support for pid namespaces from Seth and refcount_t work from Elena"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: Add support for pid namespaces
fuse: convert fuse_conn.count from atomic_t to refcount_t
fuse: convert fuse_req.count from atomic_t to refcount_t
fuse: convert fuse_file.count from atomic_t to refcount_t
Diffstat (limited to 'fs/fuse/inode.c')
| -rw-r--r-- | fs/fuse/inode.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 73cf05135252..5a1b58f8fef4 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -21,6 +21,7 @@ #include <linux/sched.h> #include <linux/exportfs.h> #include <linux/posix_acl.h> +#include <linux/pid_namespace.h> MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>"); MODULE_DESCRIPTION("Filesystem in Userspace"); @@ -601,7 +602,7 @@ void fuse_conn_init(struct fuse_conn *fc) memset(fc, 0, sizeof(*fc)); spin_lock_init(&fc->lock); init_rwsem(&fc->killsb); - atomic_set(&fc->count, 1); + refcount_set(&fc->count, 1); atomic_set(&fc->dev_count, 1); init_waitqueue_head(&fc->blocked_waitq); init_waitqueue_head(&fc->reserved_req_waitq); @@ -619,14 +620,16 @@ void fuse_conn_init(struct fuse_conn *fc) fc->connected = 1; fc->attr_version = 1; get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key)); + fc->pid_ns = get_pid_ns(task_active_pid_ns(current)); } EXPORT_SYMBOL_GPL(fuse_conn_init); void fuse_conn_put(struct fuse_conn *fc) { - if (atomic_dec_and_test(&fc->count)) { + if (refcount_dec_and_test(&fc->count)) { if (fc->destroy_req) fuse_request_free(fc->destroy_req); + put_pid_ns(fc->pid_ns); fc->release(fc); } } @@ -634,7 +637,7 @@ EXPORT_SYMBOL_GPL(fuse_conn_put); struct fuse_conn *fuse_conn_get(struct fuse_conn *fc) { - atomic_inc(&fc->count); + refcount_inc(&fc->count); return fc; } EXPORT_SYMBOL_GPL(fuse_conn_get); |