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Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2

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* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  ocfs2: Check heartbeat mode for kernel stacks only
  Ocfs2/refcounttree: Fix a bug for refcounttree to writeback clusters in a right number.
  ocfs2: Fix estimate of necessary credits for mkdir
This commit is contained in:
Linus Torvalds 2011-02-28 17:52:47 -08:00
parent c4319c7db8 52c303c56c
commit 158a5d61f7
3 changed files with 28 additions and 13 deletions
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6
fs/ocfs2/journal.h
View file

@ -405,9 +405,9 @@ static inline int ocfs2_remove_extent_credits(struct super_block *sb)
ocfs2_quota_trans_credits(sb);
}
/* data block for new dir/symlink, 2 for bitmap updates (bitmap fe +
* bitmap block for the new bit) dx_root update for free list */
#define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2 + 1)
/* data block for new dir/symlink, allocation of directory block, dx_root
* update for free list */
#define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + OCFS2_SUBALLOC_ALLOC + 1)
static inline int ocfs2_add_dir_index_credits(struct super_block *sb)
{

7
fs/ocfs2/refcounttree.c
View file

@ -3228,7 +3228,7 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
u32 num_clusters, unsigned int e_flags)
{
int ret, delete, index, credits = 0;
u32 new_bit, new_len;
u32 new_bit, new_len, orig_num_clusters;
unsigned int set_len;
struct ocfs2_super *osb = OCFS2_SB(sb);
handle_t *handle;
@ -3261,6 +3261,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
goto out;
}
orig_num_clusters = num_clusters;
while (num_clusters) {
ret = ocfs2_get_refcount_rec(ref_ci, context->ref_root_bh,
p_cluster, num_clusters,
@ -3348,7 +3350,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
* in write-back mode.
*/
if (context->get_clusters == ocfs2_di_get_clusters) {
ret = ocfs2_cow_sync_writeback(sb, context, cpos, num_clusters);
ret = ocfs2_cow_sync_writeback(sb, context, cpos,
orig_num_clusters);
if (ret)
mlog_errno(ret);
}

28
fs/ocfs2/super.c
View file

@ -1316,7 +1316,7 @@ static int ocfs2_parse_options(struct super_block *sb,
struct mount_options *mopt,
int is_remount)
{
int status;
int status, user_stack = 0;
char *p;
u32 tmp;
@ -1459,6 +1459,15 @@ static int ocfs2_parse_options(struct super_block *sb,
memcpy(mopt->cluster_stack, args[0].from,
OCFS2_STACK_LABEL_LEN);
mopt->cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0';
/*
* Open code the memcmp here as we don't have
* an osb to pass to
* ocfs2_userspace_stack().
*/
if (memcmp(mopt->cluster_stack,
OCFS2_CLASSIC_CLUSTER_STACK,
OCFS2_STACK_LABEL_LEN))
user_stack = 1;
break;
case Opt_inode64:
mopt->mount_opt |= OCFS2_MOUNT_INODE64;
@ -1514,13 +1523,16 @@ static int ocfs2_parse_options(struct super_block *sb,
}
}
/* Ensure only one heartbeat mode */
tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL | OCFS2_MOUNT_HB_GLOBAL |
OCFS2_MOUNT_HB_NONE);
if (hweight32(tmp) != 1) {
mlog(ML_ERROR, "Invalid heartbeat mount options\n");
status = 0;
goto bail;
if (user_stack == 0) {
/* Ensure only one heartbeat mode */
tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL |
OCFS2_MOUNT_HB_GLOBAL |
OCFS2_MOUNT_HB_NONE);
if (hweight32(tmp) != 1) {
mlog(ML_ERROR, "Invalid heartbeat mount options\n");
status = 0;
goto bail;
}
}
status = 1;