We give EINVAL when the request is invalid; here it's ok but merely the
user has insufficient privileges. Thus, this return value reflects the
error better -- as discussed in the identical case for dedupe.
According to codesearch.debian.net, no userspace program distinguishes
these values beyond strerror().
Signed-off-by: Adam Borowski <kilob...@angband.pl>
---
fs/btrfs/ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index b75db9d72106..ae6a110987a7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2563,7 +2563,7 @@ static int btrfs_ioctl_defrag(struct file *file, void
__user *argp)
case S_IFREG:
if (!capable(CAP_SYS_ADMIN) &&
inode_permission(inode, MAY_WRITE)) {
- ret = -EINVAL;
+ ret = -EPERM;
goto out;
}
--
2.17.0
--
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