ocfs2: use GFP_NOFS in some dlm operations

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index 7273d9f..033ad17 100644 (file)
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -116,7 +116,7 @@ static int dlmfs_file_open(struct inode *inode,
         * doesn't make sense for LVB writes. */
        file->f_flags &= ~O_APPEND;
 
-       fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+       fp = kmalloc(sizeof(*fp), GFP_NOFS);
        if (!fp) {
                status = -ENOMEM;
                goto bail;
@@ -196,7 +196,7 @@ static ssize_t dlmfs_file_read(struct file *filp,
        else
                readlen = count - *ppos;
 
-       lvb_buf = kmalloc(readlen, GFP_KERNEL);
+       lvb_buf = kmalloc(readlen, GFP_NOFS);
        if (!lvb_buf)
                return -ENOMEM;
 
@@ -240,7 +240,7 @@ static ssize_t dlmfs_file_write(struct file *filp,
        else
                writelen = count - *ppos;
 
-       lvb_buf = kmalloc(writelen, GFP_KERNEL);
+       lvb_buf = kmalloc(writelen, GFP_NOFS);
        if (!lvb_buf)
                return -ENOMEM;
 

diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c
index 20b38dc..e3cab0e 100644 (file)
--- a/fs/ocfs2/dlm/dlmlock.c
+++ b/fs/ocfs2/dlm/dlmlock.c
@@ -408,13 +408,13 @@ struct dlm_lock * dlm_new_lock(int type, u8 node, u64 cookie,
        struct dlm_lock *lock;
        int kernel_allocated = 0;
 
-       lock = kcalloc(1, sizeof(*lock), GFP_KERNEL);
+       lock = kcalloc(1, sizeof(*lock), GFP_NOFS);
        if (!lock)
                return NULL;
 
        if (!lksb) {
                /* zero memory only if kernel-allocated */
-               lksb = kcalloc(1, sizeof(*lksb), GFP_KERNEL);
+               lksb = kcalloc(1, sizeof(*lksb), GFP_NOFS);
                if (!lksb) {
                        kfree(lock);
                        return NULL;

diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index ed1601d..b780e15 100644 (file)
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -709,11 +709,11 @@ struct dlm_lock_resource *dlm_new_lockres(struct dlm_ctxt *dlm,
 {
        struct dlm_lock_resource *res;
 
-       res = kmalloc(sizeof(struct dlm_lock_resource), GFP_KERNEL);
+       res = kmalloc(sizeof(struct dlm_lock_resource), GFP_NOFS);
        if (!res)
                return NULL;
 
-       res->lockname.name = kmalloc(namelen, GFP_KERNEL);
+       res->lockname.name = kmalloc(namelen, GFP_NOFS);
        if (!res->lockname.name) {
                kfree(res);
                return NULL;
@@ -777,7 +777,7 @@ lookup:
                mlog(0, "allocating a new resource\n");
                /* nothing found and we need to allocate one. */
                alloc_mle = (struct dlm_master_list_entry *)
-                       kmem_cache_alloc(dlm_mle_cache, GFP_KERNEL);
+                       kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
                if (!alloc_mle)
                        goto leave;
                res = dlm_new_lockres(dlm, lockid, namelen);
@@ -1532,7 +1532,7 @@ way_up_top:
                        spin_unlock(&dlm->spinlock);
 
                        mle = (struct dlm_master_list_entry *)
-                               kmem_cache_alloc(dlm_mle_cache, GFP_KERNEL);
+                               kmem_cache_alloc(dlm_mle_cache, GFP_NOFS);
                        if (!mle) {
                                response = DLM_MASTER_RESP_ERROR;
                                mlog_errno(-ENOMEM);
@@ -1940,7 +1940,7 @@ int dlm_dispatch_assert_master(struct dlm_ctxt *dlm,
                               int ignore_higher, u8 request_from, u32 flags)
 {
        struct dlm_work_item *item;
-       item = kcalloc(1, sizeof(*item), GFP_KERNEL);
+       item = kcalloc(1, sizeof(*item), GFP_NOFS);
        if (!item)
                return -ENOMEM;
 
@@ -2175,14 +2175,14 @@ int dlm_migrate_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
         */
 
        ret = -ENOMEM;
-       mres = (struct dlm_migratable_lockres *) __get_free_page(GFP_KERNEL);
+       mres = (struct dlm_migratable_lockres *) __get_free_page(GFP_NOFS);
        if (!mres) {
                mlog_errno(ret);
                goto leave;
        }
 
        mle = (struct dlm_master_list_entry *) kmem_cache_alloc(dlm_mle_cache,
-                                                               GFP_KERNEL);
+                                                               GFP_NOFS);
        if (!mle) {
                mlog_errno(ret);
                goto leave;
@@ -2639,7 +2639,7 @@ int dlm_migrate_request_handler(struct o2net_msg *msg, u32 len, void *data)
 
        /* preallocate.. if this fails, abort */
        mle = (struct dlm_master_list_entry *) kmem_cache_alloc(dlm_mle_cache,
-                                                        GFP_KERNEL);
+                                                        GFP_NOFS);
 
        if (!mle) {
                ret = -ENOMEM;

diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index b03feca..f76b498 100644 (file)
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -737,7 +737,7 @@ static int dlm_init_recovery_area(struct dlm_ctxt *dlm, u8 dead_node)
                }
                BUG_ON(num == dead_node);
 
-               ndata = kcalloc(1, sizeof(*ndata), GFP_KERNEL);
+               ndata = kcalloc(1, sizeof(*ndata), GFP_NOFS);
                if (!ndata) {
                        dlm_destroy_recovery_area(dlm, dead_node);
                        return -ENOMEM;
@@ -822,14 +822,14 @@ int dlm_request_all_locks_handler(struct o2net_msg *msg, u32 len, void *data)
        }
        BUG_ON(lr->dead_node != dlm->reco.dead_node);
 
-       item = kcalloc(1, sizeof(*item), GFP_KERNEL);
+       item = kcalloc(1, sizeof(*item), GFP_NOFS);
        if (!item) {
                dlm_put(dlm);
                return -ENOMEM;
        }
 
        /* this will get freed by dlm_request_all_locks_worker */
-       buf = (char *) __get_free_page(GFP_KERNEL);
+       buf = (char *) __get_free_page(GFP_NOFS);
        if (!buf) {
                kfree(item);
                dlm_put(dlm);
@@ -1302,8 +1302,8 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data)
                mlog(0, "all done flag.  all lockres data received!\n");
 
        ret = -ENOMEM;
-       buf = kmalloc(be16_to_cpu(msg->data_len), GFP_KERNEL);
-       item = kcalloc(1, sizeof(*item), GFP_KERNEL);
+       buf = kmalloc(be16_to_cpu(msg->data_len), GFP_NOFS);
+       item = kcalloc(1, sizeof(*item), GFP_NOFS);
        if (!buf || !item)
                goto leave;
 

diff --git a/fs/ocfs2/dlm/userdlm.c b/fs/ocfs2/dlm/userdlm.c
index 74ca4e5..e641b08 100644 (file)
--- a/fs/ocfs2/dlm/userdlm.c
+++ b/fs/ocfs2/dlm/userdlm.c
@@ -672,7 +672,7 @@ struct dlm_ctxt *user_dlm_register_context(struct qstr *name)
        u32 dlm_key;
        char *domain;
 
-       domain = kmalloc(name->len + 1, GFP_KERNEL);
+       domain = kmalloc(name->len + 1, GFP_NOFS);
        if (!domain) {
                mlog_errno(-ENOMEM);
                return ERR_PTR(-ENOMEM);