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Diffstat (limited to 'fs/cifs/file.c')
-rw-r--r--fs/cifs/file.c36
1 files changed, 15 insertions, 21 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 74f12877493a..ca30c391a894 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1113,11 +1113,6 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
return rc;
}
-/* copied from fs/locks.c with a name change */
-#define cifs_for_each_lock(inode, lockp) \
- for (lockp = &inode->i_flock; *lockp != NULL; \
- lockp = &(*lockp)->fl_next)
-
struct lock_to_push {
struct list_head llist;
__u64 offset;
@@ -1132,8 +1127,9 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
{
struct inode *inode = cfile->dentry->d_inode;
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
- struct file_lock *flock, **before;
- unsigned int count = 0, i = 0;
+ struct file_lock *flock;
+ struct file_lock_context *flctx = inode->i_flctx;
+ unsigned int count = 0, i;
int rc = 0, xid, type;
struct list_head locks_to_send, *el;
struct lock_to_push *lck, *tmp;
@@ -1141,12 +1137,14 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
xid = get_xid();
- spin_lock(&inode->i_lock);
- cifs_for_each_lock(inode, before) {
- if ((*before)->fl_flags & FL_POSIX)
- count++;
+ if (!flctx)
+ goto out;
+
+ spin_lock(&flctx->flc_lock);
+ list_for_each(el, &flctx->flc_posix) {
+ count++;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&flctx->flc_lock);
INIT_LIST_HEAD(&locks_to_send);
@@ -1155,7 +1153,7 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
* added to the list while we are holding cinode->lock_sem that
* protects locking operations of this inode.
*/
- for (; i < count; i++) {
+ for (i = 0; i < count; i++) {
lck = kmalloc(sizeof(struct lock_to_push), GFP_KERNEL);
if (!lck) {
rc = -ENOMEM;
@@ -1165,11 +1163,8 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
}
el = locks_to_send.next;
- spin_lock(&inode->i_lock);
- cifs_for_each_lock(inode, before) {
- flock = *before;
- if ((flock->fl_flags & FL_POSIX) == 0)
- continue;
+ spin_lock(&flctx->flc_lock);
+ list_for_each_entry(flock, &flctx->flc_posix, fl_list) {
if (el == &locks_to_send) {
/*
* The list ended. We don't have enough allocated
@@ -1189,9 +1184,8 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
lck->length = length;
lck->type = type;
lck->offset = flock->fl_start;
- el = el->next;
}
- spin_unlock(&inode->i_lock);
+ spin_unlock(&flctx->flc_lock);
list_for_each_entry_safe(lck, tmp, &locks_to_send, llist) {
int stored_rc;
@@ -1829,6 +1823,7 @@ refind_writable:
cifsFileInfo_put(inv_file);
spin_lock(&cifs_file_list_lock);
++refind;
+ inv_file = NULL;
goto refind_writable;
}
}
@@ -3248,7 +3243,6 @@ static struct vm_operations_struct cifs_file_vm_ops = {
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = cifs_page_mkwrite,
- .remap_pages = generic_file_remap_pages,
};
int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)