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Diffstat (limited to 'fs/cifs/file.c')
-rw-r--r--fs/cifs/file.c40
1 files changed, 17 insertions, 23 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 0786f19d288f..df9f682708c6 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -224,6 +224,13 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb,
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
+ /* O_SYNC also has bit for O_DSYNC so following check picks up either */
+ if (f_flags & O_SYNC)
+ create_options |= CREATE_WRITE_THROUGH;
+
+ if (f_flags & O_DIRECT)
+ create_options |= CREATE_NO_BUFFER;
+
oparms.tcon = tcon;
oparms.cifs_sb = cifs_sb;
oparms.desired_access = desired_access;
@@ -1102,8 +1109,10 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
struct cifs_tcon *tcon;
unsigned int num, max_num, max_buf;
LOCKING_ANDX_RANGE *buf, *cur;
- int types[] = {LOCKING_ANDX_LARGE_FILES,
- LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES};
+ static const int types[] = {
+ LOCKING_ANDX_LARGE_FILES,
+ LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES
+ };
int i;
xid = get_xid();
@@ -1434,8 +1443,10 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
unsigned int xid)
{
int rc = 0, stored_rc;
- int types[] = {LOCKING_ANDX_LARGE_FILES,
- LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES};
+ static const int types[] = {
+ LOCKING_ANDX_LARGE_FILES,
+ LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES
+ };
unsigned int i;
unsigned int max_num, num, max_buf;
LOCKING_ANDX_RANGE *buf, *cur;
@@ -1952,8 +1963,6 @@ wdata_alloc_and_fillpages(pgoff_t tofind, struct address_space *mapping,
pgoff_t end, pgoff_t *index,
unsigned int *found_pages)
{
- unsigned int nr_pages;
- struct page **pages;
struct cifs_writedata *wdata;
wdata = cifs_writedata_alloc((unsigned int)tofind,
@@ -1961,23 +1970,8 @@ wdata_alloc_and_fillpages(pgoff_t tofind, struct address_space *mapping,
if (!wdata)
return NULL;
- /*
- * find_get_pages_tag seems to return a max of 256 on each
- * iteration, so we must call it several times in order to
- * fill the array or the wsize is effectively limited to
- * 256 * PAGE_SIZE.
- */
- *found_pages = 0;
- pages = wdata->pages;
- do {
- nr_pages = find_get_pages_tag(mapping, index,
- PAGECACHE_TAG_DIRTY, tofind,
- pages);
- *found_pages += nr_pages;
- tofind -= nr_pages;
- pages += nr_pages;
- } while (nr_pages && tofind && *index <= end);
-
+ *found_pages = find_get_pages_range_tag(mapping, index, end,
+ PAGECACHE_TAG_DIRTY, tofind, wdata->pages);
return wdata;
}