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wrappers for ->i_mutex access

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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>
This commit is contained in:
Al Viro
2016-01-22 15:40:57 -05:00
parent 57b8f112cf
commit 5955102c99
177 changed files with 908 additions and 883 deletions
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4
fs/ceph/caps.c
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@@ -2030,7 +2030,7 @@ int ceph_fsync(struct file *file, loff_t start, loff_t end, int datasync)
if (datasync)
goto out;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
dirty = try_flush_caps(inode, &flush_tid);
dout("fsync dirty caps are %s\n", ceph_cap_string(dirty));
@@ -2046,7 +2046,7 @@ int ceph_fsync(struct file *file, loff_t start, loff_t end, int datasync)
ret = wait_event_interruptible(ci->i_cap_wq,
caps_are_flushed(inode, flush_tid));
}
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
out:
dout("fsync %p%s result=%d\n", inode, datasync ? " datasync" : "", ret);
return ret;