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ubifs: Wire-up statx() support

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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>
This commit is contained in:
Richard Weinberger 2017-05-21 00:16:26 +02:00
parent d2eb85226f
commit a02a6eba99
1 changed files with 15 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

15
fs/ubifs/dir.c
View file

@ -1644,6 +1644,21 @@ 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;