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fuse: update mtime on truncate(2) 

Handling truncate(2), VFS doesn't set ATTR_MTIME bit in iattr structure;
only ATTR_SIZE bit is set. In-kernel fuse must handle the case by setting
mtime fields of struct fuse_setattr_in to "now" and set FATTR_MTIME bit
even though ATTR_MTIME was not set.

Signed-off-by: Maxim Patlasov <MPatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
This commit is contained in:
Maxim Patlasov 2014-04-28 14:19:22 +02:00 committed by Miklos Szeredi
parent d31433c8b0
commit 009dd694e8
1 changed files with 2 additions and 0 deletions
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2
fs/fuse/dir.c
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@ -1678,6 +1678,8 @@ int fuse_do_setattr(struct inode *inode, struct iattr *attr,
if (is_truncate) { if (is_truncate) {
fuse_set_nowrite(inode); fuse_set_nowrite(inode);
set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
if (trust_local_mtime && attr->ia_size != inode->i_size)
attr->ia_valid |= ATTR_MTIME;
} }
memset(&inarg, 0, sizeof(inarg)); memset(&inarg, 0, sizeof(inarg));