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(show_point): Ignore inaccessible file systems.

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(usage): -a includes dummy file systems, not size-0 file systems.
This commit is contained in:
Paul Eggert
2005-11-26 07:51:45 +00:00
parent bb14284481
commit e9c8be100e
1 changed files with 10 additions and 3 deletions
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13
src/df.c
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@@ -615,8 +615,15 @@ show_point (const char *point, const struct stat *statp)
me->me_dev = disk_stats.st_dev;
else
{
error (0, errno, "%s", quote (me->me_mountdir));
exit_status = EXIT_FAILURE;
/* Report only I/O errors. Other errors might be
caused by shadowed mount points, which means POINT
can't possibly be on this file system. */
if (errno == EIO)
{
error (0, errno, "%s", quote (me->me_mountdir));
exit_status = EXIT_FAILURE;
}
/* So we won't try and fail repeatedly. */
me->me_dev = (dev_t) -2;
}
@@ -724,7 +731,7 @@ or all file systems by default.\n\
Mandatory arguments to long options are mandatory for short options too.\n\
"), stdout);
fputs (_("\
-a, --all include file systems having 0 blocks\n\
-a, --all include dummy file systems\n\
-B, --block-size=SIZE use SIZE-byte blocks\n\
-h, --human-readable print sizes in human readable format (e.g., 1K 234M 2G)\n\
-H, --si likewise, but use powers of 1000 not 1024\n\