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daemon/fstrim.c: Run the fstrim command twice

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In upstream kernels, for XFS, you may have to run fstrim twice for it
to be effective.

Fixes: https://issues.redhat.com/browse/RHEL-88508
Related: https://issues.redhat.com/browse/RHEL-88450
Thanks: Eric Sandeen
(cherry picked from commit ca87485eea)
This commit is contained in:
Richard W.M. Jones
2025-04-25 15:14:24 +01:00
parent 0349d30afc
commit 4c7c0bca7a
1 changed files with 11 additions and 0 deletions
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11
daemon/fstrim.c
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@@ -101,8 +101,19 @@ do_fstrim (const char *path,
ADD_ARG (argv, i, buf); ADD_ARG (argv, i, buf);
ADD_ARG (argv, i, NULL); ADD_ARG (argv, i, NULL);
/* Run the command twice to workaround
* https://issues.redhat.com/browse/RHEL-88450
*/
r = commandv (&out, &err, argv);
if (r == -1) goto error;
if (verbose)
fprintf (stderr, "%s\n", out);
free (out); out = NULL;
free (err); err = NULL;
r = commandv (&out, &err, argv); r = commandv (&out, &err, argv);
if (r == -1) { if (r == -1) {
error:
/* If the error is about the kernel operation not being supported /* If the error is about the kernel operation not being supported
* for this filesystem type, then return errno ENOTSUP here. * for this filesystem type, then return errno ENOTSUP here.
*/ */