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mkfs.btrfs: fail on scandir error (-r mode) 

mkfs.btrfs does not handle relative pathnames for now. When
they are passed to it it creates empty image. So first time
I thought it does not work at all.

This patch adds error handling for scandir(). With patch it behaves
this way:

    $ mkfs.btrfs -r ./root
    ...
    fs created label (null) on output.img
            nodesize 4096 leafsize 4096 sectorsize 4096 size 256.00MB
    Btrfs v0.19-52-g438c5ff-dirty
    scandir for ./root failed: No such file or directory
    unable to traverse_directory
    Making image is aborted.
    mkfs.btrfs: mkfs.c:1402: main: Assertion `!(ret)' failed.

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
master
Sergei Trofimovich 2011-06-04 11:19:18 +03:00 committed by Chris Mason
parent 2acb6817c7
commit 545b52c2fa
1 changed files with 6 additions and 0 deletions
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6
mkfs.c
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@ -895,6 +895,12 @@ static int traverse_directory(struct btrfs_trans_handle *trans,
count = scandir(parent_dir_entry->path, &files,
directory_select, NULL);
if (count == -1)
{
fprintf(stderr, "scandir for %s failed: %s\n",
parent_dir_name, strerror (errno));
goto fail;
}
for (i = 0; i < count; i++) {
cur_file = files[i];