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Merge commit 'refs/top-bases/linux-debug-zerocopy' into linux-debug-zerocopy

This commit is contained in:
Brian Behlendorf 2009-01-14 14:27:36 -08:00
parent d730906f9b 4fdb04d0a1
commit 2b32a0752f
1 changed files with 12 additions and 3 deletions
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9
lib/libzfs/libzfs_util.c
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@ -567,9 +567,17 @@ libzfs_init(void)
#endif #endif
if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
/* XXX: Allow this failure on linux systems for now. It
* occurs when we attempt to open the /dev/zfs without the
* ZFS module stack loaded. This is normally a problem but
* tools such as zdb call this function and never use the
* ioctl() interface. Long term this should be cleaned up.
*/
if (errno != ENXIO) {
free(hdl); free(hdl);
return (NULL); return (NULL);
} }
}
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) { if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
(void) close(hdl->libzfs_fd); (void) close(hdl->libzfs_fd);
@ -588,6 +596,7 @@ libzfs_init(void)
void void
libzfs_fini(libzfs_handle_t *hdl) libzfs_fini(libzfs_handle_t *hdl)
{ {
if (hdl->libzfs_fd != -1)
(void) close(hdl->libzfs_fd); (void) close(hdl->libzfs_fd);
if (hdl->libzfs_mnttab) if (hdl->libzfs_mnttab)
(void) fclose(hdl->libzfs_mnttab); (void) fclose(hdl->libzfs_mnttab);