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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:20:57 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:20:57 +0200
commitfd2c17e1777d46cff14c25ea774a4d17459d188a (patch)
treee8299216de8e99418195ba64bcf8f679df3a66b3 /fs/fuse
parent74e411cb6443d8bcb55fbe89fcc7a9ee574df91b (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/timerstip-x86-timers-2008-06-16_09.20_Mon
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/file.c2
-rw-r--r--fs/fuse/fuse_i.h3
-rw-r--r--fs/fuse/inode.c12
3 files changed, 15 insertions, 2 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index f28cf8b46f80..8092f0d9fd1f 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -804,6 +804,8 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
if (offset == PAGE_CACHE_SIZE)
offset = 0;
+ if (!fc->big_writes)
+ break;
} while (iov_iter_count(ii) && count < fc->max_write &&
req->num_pages < FUSE_MAX_PAGES_PER_REQ && offset == 0);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index dadffa21a206..bae948657c4f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -404,6 +404,9 @@ struct fuse_conn {
/** Is bmap not implemented by fs? */
unsigned no_bmap : 1;
+ /** Do multi-page cached writes */
+ unsigned big_writes : 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 79b615873838..43e99513334a 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -488,7 +488,12 @@ static struct fuse_conn *new_conn(struct super_block *sb)
err = bdi_init(&fc->bdi);
if (err)
goto error_kfree;
- err = bdi_register_dev(&fc->bdi, fc->dev);
+ if (sb->s_bdev) {
+ err = bdi_register(&fc->bdi, NULL, "%u:%u-fuseblk",
+ MAJOR(fc->dev), MINOR(fc->dev));
+ } else {
+ err = bdi_register_dev(&fc->bdi, fc->dev);
+ }
if (err)
goto error_bdi_destroy;
/*
@@ -576,6 +581,8 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
fc->no_lock = 1;
if (arg->flags & FUSE_ATOMIC_O_TRUNC)
fc->atomic_o_trunc = 1;
+ if (arg->flags & FUSE_BIG_WRITES)
+ fc->big_writes = 1;
} else {
ra_pages = fc->max_read / PAGE_CACHE_SIZE;
fc->no_lock = 1;
@@ -599,7 +606,8 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
arg->major = FUSE_KERNEL_VERSION;
arg->minor = FUSE_KERNEL_MINOR_VERSION;
arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE;
- arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC;
+ arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
+ FUSE_BIG_WRITES;
req->in.h.opcode = FUSE_INIT;
req->in.numargs = 1;
req->in.args[0].size = sizeof(*arg);