diff options
Diffstat (limited to 'ufs/hyper.c')
| -rw-r--r-- | ufs/hyper.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/ufs/hyper.c b/ufs/hyper.c index e4f58249..cb644797 100644 --- a/ufs/hyper.c +++ b/ufs/hyper.c @@ -276,7 +276,7 @@ get_hypermetadata (void) taken from ordinary data blocks and might not be an even number of pages; in that case writing it through the pager would nuke whatever pages came after it on the disk and were backed by file pagers. */ -void +error_t diskfs_set_hypermetadata (int wait, int clean) { vm_address_t buf; @@ -294,16 +294,22 @@ diskfs_set_hypermetadata (int wait, int clean) err = diskfs_device_read_sync (fsbtodb (sblock, sblock->fs_csaddr), &buf, bufsize); - if (!err) + if (err) + return err; + + bcopy (csum, (void *) buf, sblock->fs_cssize); + if (swab_disk) + swab_csums ((struct csum *)buf); + err = diskfs_device_write_sync (fsbtodb (sblock, sblock->fs_csaddr), + buf, bufsize); + vm_deallocate (mach_task_self (), buf, bufsize); + + if (err) { - bcopy (csum, (void *) buf, sblock->fs_cssize); - if (swab_disk) - swab_csums ((struct csum *)buf); - diskfs_device_write_sync (fsbtodb (sblock, sblock->fs_csaddr), - buf, bufsize); - csum_dirty = 0; - vm_deallocate (mach_task_self (), buf, bufsize); + spin_unlock (&alloclock); + return err; } + csum_dirty = 0; } if (clean && ufs_clean && !sblock->fs_clean) @@ -326,6 +332,7 @@ diskfs_set_hypermetadata (int wait, int clean) copy_sblock (); sync_disk (wait); + return 0; } /* Copy the sblock into the disk */ |