diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 20dd8f3b6c7204e432a91463f8c175620acff084..5441ff1480fdbbd9ce9fe4c9caa6fc0c62392a3c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -259,7 +259,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
btrfs_end_transaction(trans, root);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
ret = 0;
out_unlock:
@@ -1971,7 +1971,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
dput(dentry);
out_unlock_dir:
mutex_unlock(&dir->i_mutex);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out:
kfree(vol_args);
return err;
@@ -2040,7 +2040,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
ret = -EINVAL;
}
out:
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return ret;
}
@@ -2510,7 +2510,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
out_fput:
fput(src_file);
out_drop_write:
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return ret;
}
@@ -2565,7 +2565,7 @@ static long btrfs_ioctl_trans_start(struct file *file)
out_drop:
atomic_dec(&root->fs_info->open_ioctl_trans);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out:
return ret;
}
@@ -2800,7 +2800,7 @@ long btrfs_ioctl_trans_end(struct file *file)
atomic_dec(&root->fs_info->open_ioctl_trans);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return 0;
}
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 61a3f9661728730f5ed91c89e5f98b3dfb72ffdd..1089f760c8470f25c0cac5744c880de9377775d5 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -83,7 +83,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
setflags_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return ret;
}
case EXT2_IOC_GETVERSION:
@@ -100,7 +100,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
}
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return ret;
case EXT2_IOC_GETRSVSZ:
if (test_opt(inode->i_sb, RESERVATION)
@@ -145,7 +145,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
rsv->rsv_goal_size = rsv_window_size;
}
mutex_unlock(&ei->truncate_mutex);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return 0;
}
default:
diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c
index a02863a080d339529ec4cffa4098cade1afc7bfd..8e37c41a071b31e90756f9b0762e37a2ac362065 100644
--- a/fs/ext3/ioctl.c
+++ b/fs/ext3/ioctl.c
@@ -110,7 +110,7 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
err = ext3_change_inode_journal_flag(inode, jflag);
flags_out:
mutex_unlock(&inode->i_mutex);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case EXT3_IOC_GETVERSION:
@@ -147,7 +147,7 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
ext3_journal_stop(handle);
setversion_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case EXT3_IOC_GETRSVSZ:
@@ -195,7 +195,7 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
mutex_unlock(&ei->truncate_mutex);
setrsvsz_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case EXT3_IOC_GROUP_EXTEND: {
@@ -221,7 +221,7 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (err == 0)
err = err2;
group_extend_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case EXT3_IOC_GROUP_ADD: {
@@ -249,7 +249,7 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (err == 0)
err = err2;
group_add_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case FITRIM: {
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 9a49760b554d7645e4d630788677a9dbfc4d31b7..d37b3bb2a3b8748b79f3c0e02ab4c17909c5f189 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -134,7 +134,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
err = ext4_ext_migrate(inode);
flags_out:
mutex_unlock(&inode->i_mutex);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case EXT4_IOC_GETVERSION:
@@ -171,7 +171,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
ext4_journal_stop(handle);
setversion_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
case EXT4_IOC_GROUP_EXTEND: {
@@ -204,7 +204,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
if (err == 0)
err = err2;
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
ext4_resize_end(sb);
return err;
@@ -246,7 +246,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
err = ext4_move_extents(filp, donor_filp, me.orig_start,
me.donor_start, me.len, &me.moved_len);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
if (me.moved_len > 0)
file_remove_suid(donor_filp);
@@ -289,7 +289,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
if (err == 0)
err = err2;
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
ext4_resize_end(sb);
return err;
@@ -313,7 +313,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
mutex_lock(&(inode->i_mutex));
err = ext4_ext_migrate(inode);
mutex_unlock(&(inode->i_mutex));
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
@@ -327,7 +327,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (err)
return err;
err = ext4_alloc_da_blocks(inode);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 50746a1a07891ecdcbaa4e9abfa566d6451bc65f..d81d01a99b2ccc9c85a84a5882c17b6c29861081 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -108,7 +108,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
fat_save_attrs(inode, attr);
mark_inode_dirty(inode);
out_drop_write:
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out_unlock_inode:
mutex_unlock(&inode->i_mutex);
out:
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 28fc6e3855f3585b3bf90ba78f9af4953fbc9add..b8927d4f3bf20a662b14a766ae6a84a1a70e32cd 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -285,7 +285,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
out:
gfs2_glock_dq_uninit(&gh);
out_drop_write:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return error;
}
diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index 31d3fe576429b2692e71c9a6d867329197b29eac..f66c7655b3f7f0d74234f2f70ab7cb4302bb078c 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -94,7 +94,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
out_unlock_inode:
mutex_unlock(&inode->i_mutex);
out_drop_write:
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out:
return err;
}
diff --git a/fs/inode.c b/fs/inode.c
index ee4e66b998f40d170b1822db68875df73d445db6..4fda5ee855187d5a015b808fd83b9881bf4427a7 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1508,7 +1508,7 @@ void file_update_time(struct file *file)
if (sync_it & S_MTIME)
inode->i_mtime = now;
mark_inode_dirty_sync(inode);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
}
EXPORT_SYMBOL(file_update_time);
diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index 73d9eaa91c0590373322654afb5a27b40da8387b..f19d1e04a374b39e9dc97779f9539d5598f032dd 100644
--- a/fs/jfs/ioctl.c
+++ b/fs/jfs/ioctl.c
@@ -120,7 +120,7 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
setflags_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return err;
}
default:
diff --git a/fs/namespace.c b/fs/namespace.c
index 7a8f949cec1baeb1e6bab2ecee8400a4d43cbcad..86b4f6406470f9b6eb6e09c9bfe077179edda24e 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -392,6 +392,12 @@ void mnt_drop_write(struct vfsmount *mnt)
}
EXPORT_SYMBOL_GPL(mnt_drop_write);
+void mnt_drop_write_file(struct file *file)
+{
+ mnt_drop_write(file->f_path.mnt);
+}
+EXPORT_SYMBOL(mnt_drop_write_file);
+
static int mnt_make_readonly(struct vfsmount *mnt)
{
int ret = 0;
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 790e92a9ec63b661172b13af0615541c7fce06d8..6958adfaff084e71fa66a1f7e10a00ad82fd8f60 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -901,7 +901,7 @@ long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
ret = __ncp_ioctl(inode, cmd, arg);
outDropWrite:
if (need_drop_write)
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
out:
return ret;
}
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index a9aa2f161262abf780f51dcdd67bd396d1273b85..80a0be9ed008a6db484d81303379d0a599c5dad7 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -151,7 +151,7 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
if (status)
goto out_put;
status = vfs_mkdir(dir->d_inode, dentry, S_IRWXU);
- mnt_drop_write(rec_file->f_path.mnt);
+ mnt_drop_write_file(rec_file);
out_put:
dput(dentry);
out_unlock:
@@ -281,7 +281,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
nfs4_reset_creds(original_cred);
if (status == 0)
vfs_fsync(rec_file, 0);
- mnt_drop_write(rec_file->f_path.mnt);
+ mnt_drop_write_file(rec_file);
out:
if (status)
printk("NFSD: Failed to remove expired client state directory"
@@ -317,7 +317,7 @@ nfsd4_recdir_purge_old(void) {
status = nfsd4_list_rec_dir(purge_old);
if (status == 0)
vfs_fsync(rec_file, 0);
- mnt_drop_write(rec_file->f_path.mnt);
+ mnt_drop_write_file(rec_file);
out:
if (status)
printk("nfsd4: failed to purge old clients from recovery"
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index b7697d1ccd613774f4a6cd3dc790491ff20ad53e..886649627c3d68d568914ee3d88983cbebcf08a5 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -27,7 +27,7 @@
#include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */
#include <linux/vmalloc.h>
#include <linux/compat.h> /* compat_ptr() */
-#include <linux/mount.h> /* mnt_want_write_file(), mnt_drop_write() */
+#include <linux/mount.h> /* mnt_want_write_file(), mnt_drop_write_file() */
#include <linux/buffer_head.h>
#include <linux/nilfs2_fs.h>
#include "nilfs.h"
@@ -154,7 +154,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp,
ret = nilfs_transaction_commit(inode->i_sb);
out:
mutex_unlock(&inode->i_mutex);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return ret;
}
@@ -194,7 +194,7 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp,
up_read(&inode->i_sb->s_umount);
out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return ret;
}
@@ -225,7 +225,7 @@ nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp,
else
nilfs_transaction_commit(inode->i_sb); /* never fails */
out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return ret;
}
@@ -675,7 +675,7 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
vfree(kbufs[n]);
kfree(kbufs[4]);
out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return ret;
}
@@ -721,7 +721,7 @@ static int nilfs_ioctl_resize(struct inode *inode, struct file *filp,
ret = nilfs_resize_fs(inode->i_sb, newsize);
out_drop_write:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
out:
return ret;
}
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 892ace253f9725bf59e9d11742284157a5928ecc..a6fda3c188aa84a85af41aa42b0b64feac31b410 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -911,7 +911,7 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return status;
status = ocfs2_set_inode_attr(inode, flags,
OCFS2_FL_MODIFIABLE);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return status;
case OCFS2_IOC_RESVSP:
case OCFS2_IOC_RESVSP64:
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index 1d3bf83f8b8528cc22143399d17eafd58db845fd..b1e3fce72ea4767bf795c692e98faacebc42797c 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -1145,7 +1145,7 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp)
kfree(context);
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
return status;
}
diff --git a/fs/open.c b/fs/open.c
index 22c41b543f2dfc00ce74665e4fdf24db1d8321ac..4ef8d868a44802fa29a0c03eaf57f461acbe9478 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -608,7 +608,7 @@ SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
dentry = file->f_path.dentry;
audit_inode(NULL, dentry);
error = chown_common(&file->f_path, user, group);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
out_fput:
fput(file);
out:
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 0b94d7b2b11f0be6565811ba360461eff84441c7..950e3d1b5c9e563d4dd0fc13c6dfc7ea5ba3a85c 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -96,7 +96,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
setflags_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
break;
}
case REISERFS_IOC_GETVERSION:
@@ -117,7 +117,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
setversion_out:
- mnt_drop_write(filp->f_path.mnt);
+ mnt_drop_write_file(filp);
break;
default:
err = -ENOTTY;
diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index e52c84598feb3662734fad100e376b345d92c289..1a7e2d8bdbe92c7145c23c9d82382bcc157b12b2 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -178,7 +178,7 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return err;
dbg_gen("set flags: %#x, i_flags %#x", flags, inode->i_flags);
err = setflags(inode, flags);
- mnt_drop_write(file->f_path.mnt);
+ mnt_drop_write_file(file);
return err;
}
diff --git a/fs/xattr.c b/fs/xattr.c
index 67583de8218cf54213379f586926824f30da5350..82f43376c7cdff1b9acd2b74e31c8e331fb5c307 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -397,7 +397,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
error = mnt_want_write_file(f);
if (!error) {
error = setxattr(dentry, name, value, size, flags);
- mnt_drop_write(f->f_path.mnt);
+ mnt_drop_write_file(f);
}
fput(f);
return error;
@@ -624,7 +624,7 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
error = mnt_want_write_file(f);
if (!error) {
error = removexattr(dentry, name);
- mnt_drop_write(f->f_path.mnt);
+ mnt_drop_write_file(f);
}
fput(f);
return error;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index b436e17c753e0d65b125c0cc1cbcaeb2ced2746a..76f3ca5cfc361f962fa40a72243a525f191a618f 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -566,7 +566,7 @@ xfs_attrmulti_by_handle(
dentry->d_inode, attr_name,
ops[i].am_attrvalue, ops[i].am_length,
ops[i].am_flags);
- mnt_drop_write(parfilp->f_path.mnt);
+ mnt_drop_write_file(parfilp);
break;
case ATTR_OP_REMOVE:
ops[i].am_error = mnt_want_write_file(parfilp);
@@ -575,7 +575,7 @@ xfs_attrmulti_by_handle(
ops[i].am_error = xfs_attrmulti_attr_remove(
dentry->d_inode, attr_name,
ops[i].am_flags);
- mnt_drop_write(parfilp->f_path.mnt);
+ mnt_drop_write_file(parfilp);
break;
default:
ops[i].am_error = EINVAL;
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index dd4ba1d4c5826e02a57876d3ab40c0f93bb700a1..f9ccb7b7c043bc0d9524fae8f3afa59975bf32ce 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -461,7 +461,7 @@ xfs_compat_attrmulti_by_handle(
dentry->d_inode, attr_name,
compat_ptr(ops[i].am_attrvalue),
ops[i].am_length, ops[i].am_flags);
- mnt_drop_write(parfilp->f_path.mnt);
+ mnt_drop_write_file(parfilp);
break;
case ATTR_OP_REMOVE:
ops[i].am_error = mnt_want_write_file(parfilp);
@@ -470,7 +470,7 @@ xfs_compat_attrmulti_by_handle(
ops[i].am_error = xfs_attrmulti_attr_remove(
dentry->d_inode, attr_name,
ops[i].am_flags);
- mnt_drop_write(parfilp->f_path.mnt);
+ mnt_drop_write_file(parfilp);
break;
default:
ops[i].am_error = EINVAL;
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 65c1bb0138368b3ea0c7a6a5bf05f2b4bb24354e..00f5c4f2160b26ac018c8be432a4fbebdd92a23d 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -94,6 +94,7 @@ extern int mnt_want_write(struct vfsmount *mnt);
extern int mnt_want_write_file(struct file *file);
extern int mnt_clone_write(struct vfsmount *mnt);
extern void mnt_drop_write(struct vfsmount *mnt);
+extern void mnt_drop_write_file(struct file *file);
extern void mntput(struct vfsmount *mnt);
extern struct vfsmount *mntget(struct vfsmount *mnt);
extern void mnt_pin(struct vfsmount *mnt);