lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

switch simple cases of fget_light to fdget

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-08-28 12:52:22 -04:00
parent a5b470ba06
commit 2903ff019b
44 changed files with 631 additions and 761 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
fs/btrfs/ioctl.c
View File

@ -1397,7 +1397,6 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
u64 *transid, bool readonly,
struct btrfs_qgroup_inherit **inherit)
{
struct file *src_file;
int namelen;
int ret = 0;
@ -1421,15 +1420,14 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
ret = btrfs_mksubvol(&file->f_path, name, namelen,
NULL, transid, readonly, inherit);
} else {
struct fd src = fdget(fd);
struct inode *src_inode;
int fput_needed;
src_file = fget_light(fd, &fput_needed);
if (!src_file) {
if (!src.file) {
ret = -EINVAL;
goto out_drop_write;
}
src_inode = src_file->f_path.dentry->d_inode;
src_inode = src.file->f_path.dentry->d_inode;
if (src_inode->i_sb != file->f_path.dentry->d_inode->i_sb) {
printk(KERN_INFO "btrfs: Snapshot src from "
"another FS\n");
@ -1439,7 +1437,7 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
BTRFS_I(src_inode)->root,
transid, readonly, inherit);
}
fput_light(src_file, fput_needed);
fdput(src);
}
out_drop_write:
mnt_drop_write_file(file);
@ -2341,7 +2339,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
{
struct inode *inode = fdentry(file)->d_inode;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct file *src_file;
struct fd src_file;
struct inode *src;
struct btrfs_trans_handle *trans;
struct btrfs_path *path;
@ -2350,7 +2348,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
struct btrfs_key key;
u32 nritems;
int slot;
int ret, fput_needed;
int ret;
u64 len = olen;
u64 bs = root->fs_info->sb->s_blocksize;
u64 hint_byte;
@ -2376,24 +2374,24 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
if (ret)
return ret;
src_file = fget_light(srcfd, &fput_needed);
if (!src_file) {
src_file = fdget(srcfd);
if (!src_file.file) {
ret = -EBADF;
goto out_drop_write;
}
ret = -EXDEV;
if (src_file->f_path.mnt != file->f_path.mnt)
if (src_file.file->f_path.mnt != file->f_path.mnt)
goto out_fput;
src = src_file->f_dentry->d_inode;
src = src_file.file->f_dentry->d_inode;
ret = -EINVAL;
if (src == inode)
goto out_fput;
/* the src must be open for reading */
if (!(src_file->f_mode & FMODE_READ))
if (!(src_file.file->f_mode & FMODE_READ))
goto out_fput;
/* don't make the dst file partly checksummed */
@ -2724,7 +2722,7 @@ out_unlock:
vfree(buf);
btrfs_free_path(path);
out_fput:
fput_light(src_file, fput_needed);
fdput(src_file);
out_drop_write:
mnt_drop_write_file(file);
return ret;