linux-ext4 - [PATCH] ext4: add prototypes for macro-generated functions

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Date:	Thu,  7 Nov 2013 23:22:24 -0700
From:	Andreas Dilger <adilger@...ger.ca>
To:	tytso@....edu
Cc:	linux-ext4@...r.kernel.org, Andreas Dilger <adilger@...ger.ca>
Subject: [PATCH] ext4: add prototypes for macro-generated functions

It isn't very easy to find the declarations for the functions created
by EXT4_INODE_BIT_FNS() because the names are generated by macros:

    ext4_test_inode_flag, ext4_set_inode_flag, ext4_clear_inode_flag
    ext4_test_inode_state, ext4_set_inode_state, ext4_clear_inode_state

Add explicit declarations for these functions so that grep and tags
can find them.

Signed-off-by: Andreas Dilger <adilger@...ger.ca>
---
 fs/ext4/ext4.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index af815ea..3d6bcee 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1396,7 +1396,18 @@ static inline void ext4_clear_inode_##name(struct inode *inode, int bit) \
 	clear_bit(bit + (offset), &EXT4_I(inode)->i_##field);		\
 }
 
+/* Add these declarations here only so that these functions can be
+ * found by name.  Otherwise, they are very hard to locate. */
+static inline int ext4_test_inode_flag(struct inode *inode, int bit);
+static inline void ext4_set_inode_flag(struct inode *inode, int bit);
+static inline void ext4_clear_inode_flag(struct inode *inode, int bit);
 EXT4_INODE_BIT_FNS(flag, flags, 0)
+
+/* Add these declarations here only so that these functions can be
+ * found by name.  Otherwise, they are very hard to locate. */
+static inline int ext4_test_inode_state(struct inode *inode, int bit);
+static inline void ext4_set_inode_state(struct inode *inode, int bit);
+static inline void ext4_clear_inode_state(struct inode *inode, int bit);
 #if (BITS_PER_LONG < 64)
 EXT4_INODE_BIT_FNS(state, state_flags, 0)
 
-- 
1.7.3.4

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