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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-01-22 15:40:57 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-01-22 18:04:28 -0500 |
| commit | 5955102c9984fa081b2d570cfac75c97eecf8f3b (patch) | |
| tree | a4744386eac4b916e847eb4eedfada158f6527b4 /fs/direct-io.c | |
| parent | 57b8f112cfe6622ddddb8c2641206bb5fa8a112d (diff) | |
| download | linux-stable-5955102c9984fa081b2d570cfac75c97eecf8f3b.tar.gz linux-stable-5955102c9984fa081b2d570cfac75c97eecf8f3b.tar.bz2 linux-stable-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/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index 602e8441bc0f..1b2f7ffc8b84 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1157,12 +1157,12 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, iocb->ki_filp->f_mapping; /* will be released by direct_io_worker */ - mutex_lock(&inode->i_mutex); + inode_lock(inode); retval = filemap_write_and_wait_range(mapping, offset, end - 1); if (retval) { - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); kmem_cache_free(dio_cache, dio); goto out; } @@ -1173,7 +1173,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, dio->i_size = i_size_read(inode); if (iov_iter_rw(iter) == READ && offset >= dio->i_size) { if (dio->flags & DIO_LOCKING) - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); kmem_cache_free(dio_cache, dio); retval = 0; goto out; @@ -1295,7 +1295,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, * of protecting us from looking up uninitialized blocks. */ if (iov_iter_rw(iter) == READ && (dio->flags & DIO_LOCKING)) - mutex_unlock(&dio->inode->i_mutex); + inode_unlock(dio->inode); /* * The only time we want to leave bios in flight is when a successful |