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>
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 749b222..8eb87e3 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -113,7 +113,7 @@
ext4_unwritten_wait(inode);
}
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
ret = generic_write_checks(iocb, from);
if (ret <= 0)
goto out;
@@ -169,7 +169,7 @@
}
ret = __generic_file_write_iter(iocb, from);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
if (ret > 0) {
ssize_t err;
@@ -186,7 +186,7 @@
return ret;
out:
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
if (aio_mutex)
mutex_unlock(aio_mutex);
return ret;
@@ -561,11 +561,11 @@
int blkbits;
int ret = 0;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
isize = i_size_read(inode);
if (offset >= isize) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return -ENXIO;
}
@@ -613,7 +613,7 @@
dataoff = (loff_t)last << blkbits;
} while (last <= end);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
if (dataoff > isize)
return -ENXIO;
@@ -634,11 +634,11 @@
int blkbits;
int ret = 0;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
isize = i_size_read(inode);
if (offset >= isize) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return -ENXIO;
}
@@ -689,7 +689,7 @@
break;
} while (last <= end);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
if (holeoff > isize)
holeoff = isize;