diff options
Diffstat (limited to 'fs/stat.c')
| -rw-r--r-- | fs/stat.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/stat.c b/fs/stat.c index 1b509d87265b..b86a5c338133 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -22,6 +22,7 @@ #include <asm/unistd.h> #include "internal.h" +#include "mount.h" /** * generic_fillattr - Fill in the basic attributes from the inode struct @@ -70,11 +71,11 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat, memset(stat, 0, sizeof(*stat)); stat->result_mask |= STATX_BASIC_STATS; - request_mask &= STATX_ALL; query_flags &= KSTAT_QUERY_FLAGS; /* allow the fs to override these if it really wants to */ - if (IS_NOATIME(inode)) + /* SB_NOATIME means filesystem supplies dummy atime value */ + if (inode->i_sb->s_flags & SB_NOATIME) stat->result_mask &= ~STATX_ATIME; if (IS_AUTOMOUNT(inode)) stat->attributes |= STATX_ATTR_AUTOMOUNT; @@ -200,6 +201,11 @@ retry: goto out; error = vfs_getattr(&path, stat, request_mask, flags); + stat->mnt_id = real_mount(path.mnt)->mnt_id; + stat->result_mask |= STATX_MNT_ID; + if (path.mnt->mnt_root == path.dentry) + stat->attributes |= STATX_ATTR_MOUNT_ROOT; + stat->attributes_mask |= STATX_ATTR_MOUNT_ROOT; path_put(&path); if (retry_estale(error, lookup_flags)) { lookup_flags |= LOOKUP_REVAL; @@ -564,6 +570,7 @@ cp_statx(const struct kstat *stat, struct statx __user *buffer) tmp.stx_rdev_minor = MINOR(stat->rdev); tmp.stx_dev_major = MAJOR(stat->dev); tmp.stx_dev_minor = MINOR(stat->dev); + tmp.stx_mnt_id = stat->mnt_id; return copy_to_user(buffer, &tmp, sizeof(tmp)) ? -EFAULT : 0; } |