android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ANDROID: fuse: Fix the issue of fuse_dentry_canonical_path

Browse Source 
The d_canonical_path is added for Android. The another fuse daemon
such as ntfs.3g do not implement it. The fsnotify can not work when
using those fuse daemon.

Fixes: aca265111a ("ANDROID: fuse: Add support for d_canonical_path")
Change-Id: I4244431fa1520b5bc33e07da456b3062b635dc5c
Signed-off-by: chenyuwen <chenyuwen1@meizu.com>
This commit is contained in:
chenyuwen 2024-01-29 11:59:29 +08:00 committed by Matthias Männich
parent 5eb1cbb384
commit 016b640235
2 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
fs/fuse/dir.c
View File

@ -426,7 +426,12 @@ static int fuse_dentry_canonical_path(const struct path *path,
#ifdef CONFIG_FUSE_BPF
struct fuse_err_ret fer;
#endif
if (fm->fc->no_dentry_canonical_path)
goto out;
#ifdef CONFIG_FUSE_BPF
fer = fuse_bpf_backing(inode, struct fuse_dummy_io,
fuse_canonical_path_initialize,
fuse_canonical_path_backing,
@ -453,9 +458,13 @@ static int fuse_dentry_canonical_path(const struct path *path,
free_page((unsigned long)path_name);
if (err > 0)
return 0;
if (err < 0)
if (err < 0 && err != -ENOSYS)
return err;
if (err == -ENOSYS)
fm->fc->no_dentry_canonical_path = 1;
out:
canonical_path->dentry = path->dentry;
canonical_path->mnt = path->mnt;
path_get(canonical_path);

3
fs/fuse/fuse_i.h
View File

@ -797,6 +797,9 @@ struct fuse_conn {
/** Is bmap not implemented by fs? */
unsigned no_bmap:1;
/** Is dentry_canonical_path not implemented by fs? */
unsigned no_dentry_canonical_path:1;
/** Is poll not implemented by fs? */
unsigned no_poll:1;