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| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-05 21:56:17 +0200 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-09-05 21:56:17 +0200 |
| commit | 7b62536141927212158ab84ce2afda9319ae6f2d (patch) | |
| tree | 1f4df51dbd9285f80b10961dea6273b721fd0d69 /fs/gfs2 | |
| parent | [GFS2] More style fixes (diff) | |
| download | linux-7b62536141927212158ab84ce2afda9319ae6f2d.tar.xz linux-7b62536141927212158ab84ce2afda9319ae6f2d.zip | |
[GFS2] Add a comment in ops_export.c
Ass a comment explaining the slightly odd construct used to
pass error values back.
Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/ops_export.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c index 4b8c6a9893e4..470e8829e7f4 100644 --- a/fs/gfs2/ops_export.c +++ b/fs/gfs2/ops_export.c @@ -182,6 +182,10 @@ static struct dentry *gfs2_get_parent(struct dentry *child) if (!inode) return ERR_PTR(-ENOENT); + /* + * In case of an error, @inode carries the error value, and we + * have to return that as a(n invalid) pointer to dentry. + */ if (IS_ERR(inode)) return ERR_PTR(PTR_ERR(inode)); |