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Add libzfs_error_init() function

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All fprintf() error messages are moved out of the libzfs_init()
library function where they never belonged in the first place.  A
libzfs_error_init() function is added to provide useful error
messages for the most common causes of failure.

Additionally, in libzfs_run_process() the 'rc' variable was renamed
to 'error' for consistency with the rest of the code base.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chris Dunlap <cdunlap@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
This commit is contained in:
Brian Behlendorf
2015-05-20 14:39:52 -07:00
parent 87abfcba22
commit 65037d9b25
7 changed files with 46 additions and 22 deletions
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cmd/mount_zfs/mount_zfs.c
+3 -1
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@@ -473,8 +473,10 @@ main(int argc, char **argv)
if (zfsflags & ZS_ZFSUTIL)
zfsutil = 1;
if ((g_zfs = libzfs_init()) == NULL)
if ((g_zfs = libzfs_init()) == NULL) {
(void) fprintf(stderr, "%s", libzfs_error_init(errno));
return (MOUNT_SYSERR);
}
/* try to open the dataset to access the mount point */
if ((zhp = zfs_open(g_zfs, dataset,