diff options
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 2d2491275654..5565110f8561 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -659,6 +659,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, struct file *file; struct inode *inode; struct block_device *lo_device = NULL; + struct address_space *mapping; unsigned lo_blocksize; int lo_flags = 0; int error; @@ -675,7 +676,8 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, if (!file) goto out; - inode = file->f_dentry->d_inode; + mapping = file->f_mapping; + inode = mapping->host; if (!(file->f_mode & FMODE_WRITE)) lo_flags |= LO_FLAGS_READ_ONLY; @@ -690,7 +692,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, if (bdev_read_only(lo_device)) lo_flags |= LO_FLAGS_READ_ONLY; } else if (S_ISREG(inode->i_mode)) { - struct address_space_operations *aops = inode->i_mapping->a_ops; + struct address_space_operations *aops = mapping->a_ops; /* * If we can't read - sorry. If we only can't write - well, * it's going to be read-only. @@ -724,9 +726,8 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, error = -EFBIG; goto out_putf; } - lo->old_gfp_mask = mapping_gfp_mask(inode->i_mapping); - mapping_set_gfp_mask(inode->i_mapping, - lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS)); + lo->old_gfp_mask = mapping_gfp_mask(mapping); + mapping_set_gfp_mask(mapping, lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS)); lo->lo_bio = lo->lo_biotail = NULL; |