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authorMiklos Szeredi <miklos@szeredi.hu>2006-01-06 00:19:40 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:56 -0800
commit1d3d752b471d2a3a1d5e4fe177e5e7d52abb4e4c (patch)
tree05c6c99ca02118e2c80199c36f4f6263cdf7986b /fs/fuse/fuse_i.h
parent248d86e87d12da19eee602075f05a49a5215288b (diff)
[PATCH] fuse: clean up request size limit checking
Change the way a too large request is handled. Until now in this case the device read returned -EINVAL and the operation returned -EIO. Make it more flexibible by not returning -EINVAL from the read, but restarting it instead. Also remove the fixed limit on setxattr data and let the filesystem provide as large a read buffer as it needs to handle the extended attribute data. The symbolic link length is already checked by VFS to be less than PATH_MAX, so the extra check against FUSE_SYMLINK_MAX is not needed. The check in fuse_create_open() against FUSE_NAME_MAX is not needed, since the dentry has already been looked up, and hence the name already checked. 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/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 2d4835e54c90..17fd368559cd 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -21,6 +21,12 @@
/** If more requests are outstanding, then the operation will block */
#define FUSE_MAX_OUTSTANDING 10
+/** Maximum size of data in a write request */
+#define FUSE_MAX_WRITE 4096
+
+/** It could be as large as PATH_MAX, but would that have any uses? */
+#define FUSE_NAME_MAX 1024
+
/** If the FUSE_DEFAULT_PERMISSIONS flag is given, the filesystem
module will check permissions based on the file mode. Otherwise no
permission checking is done in the kernel */
@@ -108,9 +114,6 @@ struct fuse_out {
struct fuse_arg args[3];
};
-struct fuse_req;
-struct fuse_conn;
-
/**
* A request to the client
*/