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| author | Miklos Szeredi <miklos@szeredi.hu> | 2005-09-09 13:10:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-09 14:03:47 -0700 |
| commit | 45323fb76465a9576220c7427dbac7b1e7ad3caf (patch) | |
| tree | 5d3e5f9a01cdaf6aaabe38520d5bd5b2d744acd5 /fs/fuse/file.c | |
| parent | 04730fef1f9c7277e5c730b193e681ac095b0507 (diff) | |
| download | kernel_goldelico_gta04-45323fb76465a9576220c7427dbac7b1e7ad3caf.zip kernel_goldelico_gta04-45323fb76465a9576220c7427dbac7b1e7ad3caf.tar.gz kernel_goldelico_gta04-45323fb76465a9576220c7427dbac7b1e7ad3caf.tar.bz2 | |
[PATCH] fuse: more flexible caching
Make data caching behavior selectable on a per-open basis instead of
per-mount. Compatibility for the old mount options 'kernel_cache' and
'direct_io' is retained in the userspace library (version 2.4.0-pre1 or
later).
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 2244535..a8dc885 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -12,6 +12,8 @@ #include <linux/slab.h> #include <linux/kernel.h> +static struct file_operations fuse_direct_io_file_operations; + int fuse_open_common(struct inode *inode, struct file *file, int isdir) { struct fuse_conn *fc = get_fuse_conn(inode); @@ -70,12 +72,14 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) else request_send(fc, req); err = req->out.h.error; - if (!err && !(fc->flags & FUSE_KERNEL_CACHE)) - invalidate_inode_pages(inode->i_mapping); if (err) { fuse_request_free(ff->release_req); kfree(ff); } else { + if (!isdir && (outarg.open_flags & FOPEN_DIRECT_IO)) + file->f_op = &fuse_direct_io_file_operations; + if (!(outarg.open_flags & FOPEN_KEEP_CACHE)) + invalidate_inode_pages(inode->i_mapping); ff->fh = outarg.fh; file->private_data = ff; } @@ -544,12 +548,6 @@ static struct address_space_operations fuse_file_aops = { void fuse_init_file_inode(struct inode *inode) { - struct fuse_conn *fc = get_fuse_conn(inode); - - if (fc->flags & FUSE_DIRECT_IO) - inode->i_fop = &fuse_direct_io_file_operations; - else { - inode->i_fop = &fuse_file_operations; - inode->i_data.a_ops = &fuse_file_aops; - } + inode->i_fop = &fuse_file_operations; + inode->i_data.a_ops = &fuse_file_aops; } |