From 43f816772ff3b4adc5cef24c78916bfbc8fee57f Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Tue, 31 Dec 2019 12:04:40 -0600 Subject: [PATCH] ext4: make some functions static in extents.c Make the following functions static since they're only used in extents.c: __ext4_ext_dirty() ext4_can_extents_be_merged() ext4_collapse_range() ext4_insert_range() Also remove the prototype for ext4_ext_writepage_trans_blocks(), as this function is not defined anywhere. Signed-off-by: Eric Biggers Link: https://lore.kernel.org/r/20191231180444.46586-5-ebiggers@kernel.org Signed-off-by: Theodore Ts'o Reviewed-by: Ritesh Harjani Reviewed-by: Jan Kara --- fs/ext4/ext4.h | 6 ------ fs/ext4/ext4_extents.h | 5 ----- fs/ext4/extents.c | 22 +++++++++++++++------- 3 files changed, 15 insertions(+), 18 deletions(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 17db2e002822..5e621b0da4da 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3315,7 +3315,6 @@ struct ext4_extent; #define EXT_MAX_BLOCKS 0xffffffff extern int ext4_ext_tree_init(handle_t *handle, struct inode *); -extern int ext4_ext_writepage_trans_blocks(struct inode *, int); extern int ext4_ext_index_trans_blocks(struct inode *inode, int extents); extern int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, struct ext4_map_blocks *map, int flags); @@ -3335,9 +3334,6 @@ extern int ext4_map_blocks(handle_t *handle, struct inode *inode, extern int ext4_ext_calc_credits_for_single_extent(struct inode *inode, int num, struct ext4_ext_path *path); -extern int ext4_can_extents_be_merged(struct inode *inode, - struct ext4_extent *ex1, - struct ext4_extent *ex2); extern int ext4_ext_insert_extent(handle_t *, struct inode *, struct ext4_ext_path **, struct ext4_extent *, int); @@ -3353,8 +3349,6 @@ extern int ext4_get_es_cache(struct inode *inode, struct fiemap_extent_info *fieinfo, __u64 start, __u64 len); extern int ext4_ext_precache(struct inode *inode); -extern int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len); -extern int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len); extern int ext4_swap_extents(handle_t *handle, struct inode *inode1, struct inode *inode2, ext4_lblk_t lblk1, ext4_lblk_t lblk2, ext4_lblk_t count, diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h index 98bd0e9ee7df..1c216fcc202a 100644 --- a/fs/ext4/ext4_extents.h +++ b/fs/ext4/ext4_extents.h @@ -267,10 +267,5 @@ static inline void ext4_idx_store_pblock(struct ext4_extent_idx *ix, 0xffff); } -#define ext4_ext_dirty(handle, inode, path) \ - __ext4_ext_dirty(__func__, __LINE__, (handle), (inode), (path)) -int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle, - struct inode *inode, struct ext4_ext_path *path); - #endif /* _EXT4_EXTENTS */ diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 94a25ca5f08f..bae409aad53e 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -161,8 +161,9 @@ static int ext4_ext_get_access(handle_t *handle, struct inode *inode, * - ENOMEM * - EIO */ -int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle, - struct inode *inode, struct ext4_ext_path *path) +static int __ext4_ext_dirty(const char *where, unsigned int line, + handle_t *handle, struct inode *inode, + struct ext4_ext_path *path) { int err; @@ -179,6 +180,9 @@ int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle, return err; } +#define ext4_ext_dirty(handle, inode, path) \ + __ext4_ext_dirty(__func__, __LINE__, (handle), (inode), (path)) + static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode, struct ext4_ext_path *path, ext4_lblk_t block) @@ -1696,9 +1700,9 @@ static int ext4_ext_correct_indexes(handle_t *handle, struct inode *inode, return err; } -int -ext4_can_extents_be_merged(struct inode *inode, struct ext4_extent *ex1, - struct ext4_extent *ex2) +static int ext4_can_extents_be_merged(struct inode *inode, + struct ext4_extent *ex1, + struct ext4_extent *ex2) { unsigned short ext1_ee_len, ext2_ee_len; @@ -4657,6 +4661,10 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset, return ret > 0 ? ret2 : ret; } +static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len); + +static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len); + static long ext4_zero_range(struct file *file, loff_t offset, loff_t len, int mode) { @@ -5415,7 +5423,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, * This implements the fallocate's collapse range functionality for ext4 * Returns: 0 and non-zero on error. */ -int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) +static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) { struct super_block *sb = inode->i_sb; ext4_lblk_t punch_start, punch_stop; @@ -5559,7 +5567,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) * by len bytes. * Returns 0 on success, error otherwise. */ -int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len) +static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len) { struct super_block *sb = inode->i_sb; handle_t *handle;