diff options
| -rw-r--r-- | fs/fuse/dir.c | 2 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 5 | ||||
| -rw-r--r-- | fs/fuse/inode.c | 4 | ||||
| -rw-r--r-- | include/uapi/linux/fuse.h | 3 |
4 files changed, 12 insertions, 2 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 2b112d978e9..85065221a58 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -21,6 +21,8 @@ static bool fuse_use_readdirplus(struct inode *dir, struct file *filp) if (!fc->do_readdirplus) return false; + if (!fc->readdirplus_auto) + return true; if (test_and_clear_bit(FUSE_I_ADVISE_RDPLUS, &fi->state)) return true; if (filp->f_pos == 0) diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index fc55dd33c1e..6aeba864f07 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -514,9 +514,12 @@ struct fuse_conn { /** Use enhanced/automatic page cache invalidation. */ unsigned auto_inval_data:1; - /** Does the filesystem support readdir-plus? */ + /** Does the filesystem support readdirplus? */ unsigned do_readdirplus:1; + /** Does the filesystem want adaptive readdirplus? */ + unsigned readdirplus_auto:1; + /** The number of requests waiting for completion */ atomic_t num_waiting; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 9876a87255f..01353ed7575 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -866,6 +866,8 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req) fc->auto_inval_data = 1; if (arg->flags & FUSE_DO_READDIRPLUS) fc->do_readdirplus = 1; + if (arg->flags & FUSE_READDIRPLUS_AUTO) + fc->readdirplus_auto = 1; } else { ra_pages = fc->max_read / PAGE_CACHE_SIZE; fc->no_lock = 1; @@ -893,7 +895,7 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req) FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK | FUSE_SPLICE_WRITE | FUSE_SPLICE_MOVE | FUSE_SPLICE_READ | FUSE_FLOCK_LOCKS | FUSE_IOCTL_DIR | FUSE_AUTO_INVAL_DATA | - FUSE_DO_READDIRPLUS; + FUSE_DO_READDIRPLUS | FUSE_READDIRPLUS_AUTO; req->in.h.opcode = FUSE_INIT; req->in.numargs = 1; req->in.args[0].size = sizeof(*arg); diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index baee03e9043..4c43b444879 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -218,6 +218,8 @@ struct fuse_file_lock { * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks * FUSE_HAS_IOCTL_DIR: kernel supports ioctl on directories * FUSE_AUTO_INVAL_DATA: automatically invalidate cached pages + * FUSE_DO_READDIRPLUS: do READDIRPLUS (READDIR+LOOKUP in one) + * FUSE_READDIRPLUS_AUTO: adaptive readdirplus */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -233,6 +235,7 @@ struct fuse_file_lock { #define FUSE_HAS_IOCTL_DIR (1 << 11) #define FUSE_AUTO_INVAL_DATA (1 << 12) #define FUSE_DO_READDIRPLUS (1 << 13) +#define FUSE_READDIRPLUS_AUTO (1 << 14) /** * CUSE INIT request/reply flags |