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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-01-22 21:40:57 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-01-23 00:04:28 +0100 |
| commit | 5955102c9984fa081b2d570cfac75c97eecf8f3b (patch) | |
| tree | a4744386eac4b916e847eb4eedfada158f6527b4 /fs/ext4/ioctl.c | |
| parent | lustre: remove unused declaration (diff) | |
| download | linux-5955102c9984fa081b2d570cfac75c97eecf8f3b.tar.xz linux-5955102c9984fa081b2d570cfac75c97eecf8f3b.zip | |
wrappers for ->i_mutex access
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).
Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext4/ioctl.c')
| -rw-r--r-- | fs/ext4/ioctl.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 2b0cb84255eb..0f6c36922c24 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -330,7 +330,7 @@ static int ext4_ioctl_setproject(struct file *filp, __u32 projid) return err; err = -EPERM; - mutex_lock(&inode->i_mutex); + inode_lock(inode); /* Is it quota file? Do not allow user to mess with it */ if (IS_NOQUOTA(inode)) goto out_unlock; @@ -381,7 +381,7 @@ out_dirty: out_stop: ext4_journal_stop(handle); out_unlock: - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); mnt_drop_write_file(filp); return err; } @@ -464,9 +464,9 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) flags = ext4_mask_flags(inode->i_mode, flags); - mutex_lock(&inode->i_mutex); + inode_lock(inode); err = ext4_ioctl_setflags(inode, flags); - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); mnt_drop_write_file(filp); return err; } @@ -497,7 +497,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) goto setversion_out; } - mutex_lock(&inode->i_mutex); + inode_lock(inode); handle = ext4_journal_start(inode, EXT4_HT_INODE, 1); if (IS_ERR(handle)) { err = PTR_ERR(handle); @@ -512,7 +512,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) ext4_journal_stop(handle); unlock_out: - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); setversion_out: mnt_drop_write_file(filp); return err; @@ -658,9 +658,9 @@ group_add_out: * ext4_ext_swap_inode_data before we switch the * inode format to prevent read. */ - mutex_lock(&(inode->i_mutex)); + inode_lock((inode)); err = ext4_ext_migrate(inode); - mutex_unlock(&(inode->i_mutex)); + inode_unlock((inode)); mnt_drop_write_file(filp); return err; } @@ -876,11 +876,11 @@ encryption_policy_out: flags = ext4_xflags_to_iflags(fa.fsx_xflags); flags = ext4_mask_flags(inode->i_mode, flags); - mutex_lock(&inode->i_mutex); + inode_lock(inode); flags = (ei->i_flags & ~EXT4_FL_XFLAG_VISIBLE) | (flags & EXT4_FL_XFLAG_VISIBLE); err = ext4_ioctl_setflags(inode, flags); - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); mnt_drop_write_file(filp); if (err) return err; |