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Subject[PATCH] ubifs: Wire-up statx() support
Date
statx() can report what flags a file has, expose flags that UBIFS
supports. Especially STATX_ATTR_COMPRESSED and STATX_ATTR_ENCRYPTED
can be interesting for userspace.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/dir.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 566079d9b402..578b6043f308 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1647,6 +1647,21 @@ int ubifs_getattr(const struct path *path, struct kstat *stat,
struct ubifs_inode *ui = ubifs_inode(inode);

mutex_lock(&ui->ui_mutex);
+
+ if (ui->flags & UBIFS_APPEND_FL)
+ stat->attributes |= STATX_ATTR_APPEND;
+ if (ui->flags & UBIFS_COMPR_FL)
+ stat->attributes |= STATX_ATTR_COMPRESSED;
+ if (ui->flags & UBIFS_CRYPT_FL)
+ stat->attributes |= STATX_ATTR_ENCRYPTED;
+ if (ui->flags & UBIFS_IMMUTABLE_FL)
+ stat->attributes |= STATX_ATTR_IMMUTABLE;
+
+ stat->attributes_mask |= (STATX_ATTR_APPEND |
+ STATX_ATTR_COMPRESSED |
+ STATX_ATTR_ENCRYPTED |
+ STATX_ATTR_IMMUTABLE);
+
generic_fillattr(inode, stat);
stat->blksize = UBIFS_BLOCK_SIZE;
stat->size = ui->ui_size;
--
2.12.0
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