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authorBob Peterson <rpeterso@redhat.com>2009-08-24 10:44:18 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2009-08-24 10:44:18 +0100
commitd34843d0c4a20872f3f3bfb510328bd043b939ff (patch)
treef10ab461e0a7e3923856b56eeba75383dffafac7 /fs/gfs2/incore.h
parentcd0120751d631bc4b99f180c1c22de2caca98207 (diff)
GFS2: Add "-o errors=panic|withdraw" mount options
This patch adds "-o errors=panic" and "-o errors=withdraw" to the gfs2 mount options. The "errors=withdraw" option is today's current behaviour, meaning to withdraw from the file system if a non-serious gfs2 error occurs. The new "errors=panic" option tells gfs2 to force a kernel panic if a non-serious gfs2 file system error occurs. This may be useful, for example, where fabric-level fencing is used that has no way to reboot (such as fence_scsi). Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 61801ada36f..1d11e6e0373 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -406,6 +406,12 @@ struct gfs2_statfs_change_host {
#define GFS2_DATA_WRITEBACK 1
#define GFS2_DATA_ORDERED 2
+#define GFS2_ERRORS_DEFAULT GFS2_ERRORS_WITHDRAW
+#define GFS2_ERRORS_WITHDRAW 0
+#define GFS2_ERRORS_CONTINUE 1 /* place holder for future feature */
+#define GFS2_ERRORS_RO 2 /* place holder for future feature */
+#define GFS2_ERRORS_PANIC 3
+
struct gfs2_args {
char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */
char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */
@@ -422,6 +428,7 @@ struct gfs2_args {
unsigned int ar_data:2; /* ordered/writeback */
unsigned int ar_meta:1; /* mount metafs */
unsigned int ar_discard:1; /* discard requests */
+ unsigned int ar_errors:2; /* errors=withdraw | panic */
int ar_commit; /* Commit interval */
};