diff options
| author | ChenXiaoSong <chenxiaosong@kylinos.cn> | 2026-06-15 20:29:07 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2026-06-16 18:57:21 -0500 |
| commit | e48b687221f4e5215c9b8d2ae2c319d88a65809c (patch) | |
| tree | 096d7cfa9cd142eeba6144350449477ea160353d /fs | |
| parent | 9d357903ec9b0da60cccc4d311f99763ba0924a2 (diff) | |
| download | ath-e48b687221f4e5215c9b8d2ae2c319d88a65809c.tar.gz | |
smb/server: get compression file attribute on open
Example:
1. server: chattr +c /export/file
2. client: lsattr /mnt/file
--------c------------- /mnt/file
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/smb/server/smb2pdu.c | 5 | ||||
| -rw-r--r-- | fs/smb/server/vfs.c | 18 | ||||
| -rw-r--r-- | fs/smb/server/vfs.h | 1 |
3 files changed, 23 insertions, 1 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index e3c53f22f5ec4..4b8e1a4f9e6bf 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -3604,7 +3604,10 @@ int smb2_open(struct ksmbd_work *work) if (!created) smb2_update_xattrs(tcon, &path, fp); - else + + ksmbd_vfs_update_compressed_fattr(path.dentry, &fp->f_ci->m_fattr); + + if (created) smb2_new_xattrs(tcon, &path, fp); memcpy(fp->client_guid, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE); diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c index 18c0a7c6b41bd..b2403db135584 100644 --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -20,6 +20,7 @@ #include <linux/sched/xacct.h> #include <linux/crc32c.h> #include <linux/splice.h> +#include <linux/fileattr.h> #include "glob.h" #include "oplock.h" @@ -1881,3 +1882,20 @@ int ksmbd_vfs_inherit_posix_acl(struct mnt_idmap *idmap, posix_acl_release(acls); return rc; } + +void ksmbd_vfs_update_compressed_fattr(struct dentry *dentry, __le32 *fattr) +{ + int rc; + struct file_kattr fa = { .flags_valid = true }; + + rc = vfs_fileattr_get(dentry, &fa); + if (rc == -ENOIOCTLCMD) + *fattr &= ~FILE_ATTRIBUTE_COMPRESSED_LE; + if (rc) + return; + + if (fa.flags & FS_COMPR_FL) + *fattr |= FILE_ATTRIBUTE_COMPRESSED_LE; + else + *fattr &= ~FILE_ATTRIBUTE_COMPRESSED_LE; +} diff --git a/fs/smb/server/vfs.h b/fs/smb/server/vfs.h index 16ca29ee16e51..ac6dda173b752 100644 --- a/fs/smb/server/vfs.h +++ b/fs/smb/server/vfs.h @@ -168,4 +168,5 @@ int ksmbd_vfs_set_init_posix_acl(struct mnt_idmap *idmap, int ksmbd_vfs_inherit_posix_acl(struct mnt_idmap *idmap, const struct path *path, struct inode *parent_inode); +void ksmbd_vfs_update_compressed_fattr(struct dentry *dentry, __le32 *fattr); #endif /* __KSMBD_VFS_H__ */ |