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fs/buffer.c: clean up EXPORT* macros

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According to Documentation/CodingStyle the EXPORT* macro should follow
immediately after the closing function brace line.

Also, mark_buffer_async_write_endio() and do_thaw_all() are not used
elsewhere so they should be marked as static.

In addition, file_fsync() is actually in fs/sync.c so move the EXPORT* to
that file.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
H Hartley Sweeten 2009-09-22 16:43:51 -07:00 committed by Linus Torvalds
parent 88e0fbc452
commit 1fe72eaa0f
2 changed files with 28 additions and 30 deletions
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57
fs/buffer.c
View File

@ -52,6 +52,7 @@ init_buffer(struct buffer_head *bh, bh_end_io_t *handler, void *private)
bh->b_end_io = handler;
bh->b_private = private;
}
EXPORT_SYMBOL(init_buffer);
static int sync_buffer(void *word)
{
@ -80,6 +81,7 @@ void unlock_buffer(struct buffer_head *bh)
smp_mb__after_clear_bit();
wake_up_bit(&bh->b_state, BH_Lock);
}
EXPORT_SYMBOL(unlock_buffer);
/*
* Block until a buffer comes unlocked. This doesn't stop it
@ -90,6 +92,7 @@ void __wait_on_buffer(struct buffer_head * bh)
{
wait_on_bit(&bh->b_state, BH_Lock, sync_buffer, TASK_UNINTERRUPTIBLE);
}
EXPORT_SYMBOL(__wait_on_buffer);
static void
__clear_page_buffers(struct page *page)
@ -144,6 +147,7 @@ void end_buffer_read_sync(struct buffer_head *bh, int uptodate)
__end_buffer_read_notouch(bh, uptodate);
put_bh(bh);
}
EXPORT_SYMBOL(end_buffer_read_sync);
void end_buffer_write_sync(struct buffer_head *bh, int uptodate)
{
@ -164,6 +168,7 @@ void end_buffer_write_sync(struct buffer_head *bh, int uptodate)
unlock_buffer(bh);
put_bh(bh);
}
EXPORT_SYMBOL(end_buffer_write_sync);
/*
* Various filesystems appear to want __find_get_block to be non-blocking.
@ -272,6 +277,7 @@ void invalidate_bdev(struct block_device *bdev)
invalidate_bh_lrus();
invalidate_mapping_pages(mapping, 0, -1);
}
EXPORT_SYMBOL(invalidate_bdev);
/*
* Kick pdflush then try to free up some ZONE_NORMAL memory.
@ -410,6 +416,7 @@ void end_buffer_async_write(struct buffer_head *bh, int uptodate)
local_irq_restore(flags);
return;
}
EXPORT_SYMBOL(end_buffer_async_write);
/*
* If a page's buffers are under async readin (end_buffer_async_read
@ -438,8 +445,8 @@ static void mark_buffer_async_read(struct buffer_head *bh)
set_buffer_async_read(bh);
}
void mark_buffer_async_write_endio(struct buffer_head *bh,
bh_end_io_t *handler)
static void mark_buffer_async_write_endio(struct buffer_head *bh,
bh_end_io_t *handler)
{
bh->b_end_io = handler;
set_buffer_async_write(bh);
@ -553,7 +560,7 @@ static int osync_buffers_list(spinlock_t *lock, struct list_head *list)
return err;
}
void do_thaw_all(struct work_struct *work)
static void do_thaw_all(struct work_struct *work)
{
struct super_block *sb;
char b[BDEVNAME_SIZE];
@ -1172,6 +1179,7 @@ void mark_buffer_dirty(struct buffer_head *bh)
}
}
}
EXPORT_SYMBOL(mark_buffer_dirty);
/*
* Decrement a buffer_head's reference count. If all buffers against a page
@ -1188,6 +1196,7 @@ void __brelse(struct buffer_head * buf)
}
WARN(1, KERN_ERR "VFS: brelse: Trying to free free buffer\n");
}
EXPORT_SYMBOL(__brelse);
/*
* bforget() is like brelse(), except it discards any
@ -1206,6 +1215,7 @@ void __bforget(struct buffer_head *bh)
}
__brelse(bh);
}
EXPORT_SYMBOL(__bforget);
static struct buffer_head *__bread_slow(struct buffer_head *bh)
{
@ -2218,6 +2228,7 @@ int block_read_full_page(struct page *page, get_block_t *get_block)
}
return 0;
}
EXPORT_SYMBOL(block_read_full_page);
/* utility function for filesystems that need to do work on expanding
* truncates. Uses filesystem pagecache writes to allow the filesystem to
@ -2252,6 +2263,7 @@ int generic_cont_expand_simple(struct inode *inode, loff_t size)
out:
return err;
}
EXPORT_SYMBOL(generic_cont_expand_simple);
static int cont_expand_zero(struct file *file, struct address_space *mapping,
loff_t pos, loff_t *bytes)
@ -2352,6 +2364,7 @@ int cont_write_begin(struct file *file, struct address_space *mapping,
out:
return err;
}
EXPORT_SYMBOL(cont_write_begin);
int block_prepare_write(struct page *page, unsigned from, unsigned to,
get_block_t *get_block)
@ -2362,6 +2375,7 @@ int block_prepare_write(struct page *page, unsigned from, unsigned to,
ClearPageUptodate(page);
return err;
}
EXPORT_SYMBOL(block_prepare_write);
int block_commit_write(struct page *page, unsigned from, unsigned to)
{
@ -2369,6 +2383,7 @@ int block_commit_write(struct page *page, unsigned from, unsigned to)
__block_commit_write(inode,page,from,to);
return 0;
}
EXPORT_SYMBOL(block_commit_write);
/*
* block_page_mkwrite() is not allowed to change the file size as it gets
@ -2426,6 +2441,7 @@ block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
out:
return ret;
}
EXPORT_SYMBOL(block_page_mkwrite);
/*
* nobh_write_begin()'s prereads are special: the buffer_heads are freed
@ -2849,6 +2865,7 @@ int block_truncate_page(struct address_space *mapping,
out:
return err;
}
EXPORT_SYMBOL(block_truncate_page);
/*
* The generic ->writepage function for buffer-backed address_spaces
@ -2890,6 +2907,7 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block,
zero_user_segment(page, offset, PAGE_CACHE_SIZE);
return __block_write_full_page(inode, page, get_block, wbc, handler);
}
EXPORT_SYMBOL(block_write_full_page_endio);
/*
* The generic ->writepage function for buffer-backed address_spaces
@ -2900,7 +2918,7 @@ int block_write_full_page(struct page *page, get_block_t *get_block,
return block_write_full_page_endio(page, get_block, wbc,
end_buffer_async_write);
}
EXPORT_SYMBOL(block_write_full_page);
sector_t generic_block_bmap(struct address_space *mapping, sector_t block,
get_block_t *get_block)
@ -2913,6 +2931,7 @@ sector_t generic_block_bmap(struct address_space *mapping, sector_t block,
get_block(inode, block, &tmp, 0);
return tmp.b_blocknr;
}
EXPORT_SYMBOL(generic_block_bmap);
static void end_bio_bh_io_sync(struct bio *bio, int err)
{
@ -2982,6 +3001,7 @@ int submit_bh(int rw, struct buffer_head * bh)
bio_put(bio);
return ret;
}
EXPORT_SYMBOL(submit_bh);
/**
* ll_rw_block: low-level access to block devices (DEPRECATED)
@ -3043,6 +3063,7 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[])
unlock_buffer(bh);
}
}
EXPORT_SYMBOL(ll_rw_block);
/*
* For a data-integrity writeout, we need to wait upon any in-progress I/O
@ -3071,6 +3092,7 @@ int sync_dirty_buffer(struct buffer_head *bh)
}
return ret;
}
EXPORT_SYMBOL(sync_dirty_buffer);
/*
* try_to_free_buffers() checks if all the buffers on this particular page
@ -3185,6 +3207,7 @@ void block_sync_page(struct page *page)
if (mapping)
blk_run_backing_dev(mapping->backing_dev_info, page);
}
EXPORT_SYMBOL(block_sync_page);
/*
* There are no bdflush tunables left. But distributions are
@ -3361,29 +3384,3 @@ void __init buffer_init(void)
max_buffer_heads = nrpages * (PAGE_SIZE / sizeof(struct buffer_head));
hotcpu_notifier(buffer_cpu_notify, 0);
}
EXPORT_SYMBOL(__bforget);
EXPORT_SYMBOL(__brelse);
EXPORT_SYMBOL(__wait_on_buffer);
EXPORT_SYMBOL(block_commit_write);
EXPORT_SYMBOL(block_prepare_write);
EXPORT_SYMBOL(block_page_mkwrite);
EXPORT_SYMBOL(block_read_full_page);
EXPORT_SYMBOL(block_sync_page);
EXPORT_SYMBOL(block_truncate_page);
EXPORT_SYMBOL(block_write_full_page);
EXPORT_SYMBOL(block_write_full_page_endio);
EXPORT_SYMBOL(cont_write_begin);
EXPORT_SYMBOL(end_buffer_read_sync);
EXPORT_SYMBOL(end_buffer_write_sync);
EXPORT_SYMBOL(end_buffer_async_write);
EXPORT_SYMBOL(file_fsync);
EXPORT_SYMBOL(generic_block_bmap);
EXPORT_SYMBOL(generic_cont_expand_simple);
EXPORT_SYMBOL(init_buffer);
EXPORT_SYMBOL(invalidate_bdev);
EXPORT_SYMBOL(ll_rw_block);
EXPORT_SYMBOL(mark_buffer_dirty);
EXPORT_SYMBOL(submit_bh);
EXPORT_SYMBOL(sync_dirty_buffer);
EXPORT_SYMBOL(unlock_buffer);

1
fs/sync.c
View File

@ -183,6 +183,7 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync)
ret = err;
return ret;
}
EXPORT_SYMBOL(file_fsync);
/**
* vfs_fsync_range - helper to sync a range of data & metadata to disk