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Diffstat (limited to 'fs/gfs2/file.c')
-rw-r--r--fs/gfs2/file.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index e6dd2aec6f82..ed9a94f0ef15 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -218,6 +218,11 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
218 if (error) 218 if (error)
219 goto out_drop_write; 219 goto out_drop_write;
220 220
221 error = -EACCES;
222 if (!is_owner_or_cap(inode))
223 goto out;
224
225 error = 0;
221 flags = ip->i_diskflags; 226 flags = ip->i_diskflags;
222 new_flags = (flags & ~mask) | (reqflags & mask); 227 new_flags = (flags & ~mask) | (reqflags & mask);
223 if ((new_flags ^ flags) == 0) 228 if ((new_flags ^ flags) == 0)
@@ -275,8 +280,10 @@ static int gfs2_set_flags(struct file *filp, u32 __user *ptr)
275{ 280{
276 struct inode *inode = filp->f_path.dentry->d_inode; 281 struct inode *inode = filp->f_path.dentry->d_inode;
277 u32 fsflags, gfsflags; 282 u32 fsflags, gfsflags;
283
278 if (get_user(fsflags, ptr)) 284 if (get_user(fsflags, ptr))
279 return -EFAULT; 285 return -EFAULT;
286
280 gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags); 287 gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags);
281 if (!S_ISDIR(inode->i_mode)) { 288 if (!S_ISDIR(inode->i_mode)) {
282 if (gfsflags & GFS2_DIF_INHERIT_JDATA) 289 if (gfsflags & GFS2_DIF_INHERIT_JDATA)
@@ -547,9 +554,9 @@ static int gfs2_close(struct inode *inode, struct file *file)
547 * Returns: errno 554 * Returns: errno
548 */ 555 */
549 556
550static int gfs2_fsync(struct file *file, struct dentry *dentry, int datasync) 557static int gfs2_fsync(struct file *file, int datasync)
551{ 558{
552 struct inode *inode = dentry->d_inode; 559 struct inode *inode = file->f_mapping->host;
553 int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC); 560 int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC);
554 int ret = 0; 561 int ret = 0;
555 562