diff options
| -rw-r--r-- | fs/9p/vfs_dentry.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index ddf7424b5850..f3248a3e5402 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -85,8 +85,13 @@ static int __v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags) struct v9fs_session_info *v9ses; fid = v9fs_fid_lookup(dentry); - if (IS_ERR(fid)) + if (IS_ERR(fid)) { + p9_debug( + P9_DEBUG_VFS, + "v9fs_fid_lookup: dentry = %pd (%p), got error %pe\n", + dentry, dentry, fid); return PTR_ERR(fid); + } v9ses = v9fs_inode2v9ses(inode); if (v9fs_proto_dotl(v9ses)) @@ -95,14 +100,25 @@ static int __v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags) retval = v9fs_refresh_inode(fid, inode); p9_fid_put(fid); - if (retval == -ENOENT) + if (retval == -ENOENT) { + p9_debug(P9_DEBUG_VFS, "dentry: %pd (%p) invalidated due to ENOENT\n", + dentry, dentry); return 0; - if (v9inode->cache_validity & V9FS_INO_INVALID_ATTR) + } + if (v9inode->cache_validity & V9FS_INO_INVALID_ATTR) { + p9_debug(P9_DEBUG_VFS, "dentry: %pd (%p) invalidated due to type change\n", + dentry, dentry); return 0; - if (retval < 0) + } + if (retval < 0) { + p9_debug(P9_DEBUG_VFS, + "refresh inode: dentry = %pd (%p), got error %pe\n", + dentry, dentry, ERR_PTR(retval)); return retval; + } } out_valid: + p9_debug(P9_DEBUG_VFS, "dentry: %pd (%p) is valid\n", dentry, dentry); return 1; } |