Re: [-mm patch] fs/reiserfs/: cleanups

From: Nick Piggin
Date: Thu Jun 14 2007 - 21:38:10 EST


On Fri, Jun 15, 2007 at 12:16:28AM +0200, Adrian Bunk wrote:
> This patch contains the following cleanups:
> - remove the following no longer used functions:
> - bitmap.c: reiserfs_claim_blocks_to_be_allocated()
> - bitmap.c: reiserfs_release_claimed_blocks()
> - bitmap.c: reiserfs_can_fit_pages()
> - make the following functions static:
> - inode.c: restart_transaction()
> - journal.c: reiserfs_async_progress_wait()

If Vladimir acks this one then it's obviously fine by me.


> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>
>
> ---
>
> fs/reiserfs/bitmap.c | 57 ------------------------------------
> fs/reiserfs/inode.c | 4 +-
> fs/reiserfs/journal.c | 3 +
> include/linux/reiserfs_fs.h | 7 ----
> 4 files changed, 4 insertions(+), 67 deletions(-)
>
> --- linux-2.6.22-rc4-mm2/include/linux/reiserfs_fs.h.old 2007-06-14 02:08:17.000000000 +0200
> +++ linux-2.6.22-rc4-mm2/include/linux/reiserfs_fs.h 2007-06-14 02:11:20.000000000 +0200
> @@ -1701,8 +1701,6 @@
> return th->t_blocks_allocated - th->t_blocks_logged;
> }
>
> -int reiserfs_async_progress_wait(struct super_block *s);
> -
> struct reiserfs_transaction_handle *reiserfs_persistent_transaction(struct
> super_block
> *,
> @@ -1857,8 +1855,6 @@
> #define GET_BLOCK_NO_IMUX 8 /* i_mutex is not held, don't preallocate */
> #define GET_BLOCK_NO_DANGLE 16 /* don't leave any transactions running */
>
> -int restart_transaction(struct reiserfs_transaction_handle *th,
> - struct inode *inode, struct treepath *path);
> void reiserfs_read_locked_inode(struct inode *inode,
> struct reiserfs_iget_args *args);
> int reiserfs_find_actor(struct inode *inode, void *p);
> @@ -2135,9 +2131,6 @@
> struct inode *inode);
> void reiserfs_discard_all_prealloc(struct reiserfs_transaction_handle *th);
> #endif
> -void reiserfs_claim_blocks_to_be_allocated(struct super_block *sb, int blocks);
> -void reiserfs_release_claimed_blocks(struct super_block *sb, int blocks);
> -int reiserfs_can_fit_pages(struct super_block *sb);
>
> /* hashes.c */
> __u32 keyed_hash(const signed char *msg, int len);
> --- linux-2.6.22-rc4-mm2/fs/reiserfs/bitmap.c.old 2007-06-14 02:08:45.000000000 +0200
> +++ linux-2.6.22-rc4-mm2/fs/reiserfs/bitmap.c 2007-06-14 02:09:59.000000000 +0200
> @@ -1201,63 +1201,6 @@
> return ret;
> }
>
> -/* These 2 functions are here to provide blocks reservation to the rest of kernel */
> -/* Reserve @blocks amount of blocks in fs pointed by @sb. Caller must make sure
> - there are actually this much blocks on the FS available */
> -void reiserfs_claim_blocks_to_be_allocated(struct super_block *sb, /* super block of
> - filesystem where
> - blocks should be
> - reserved */
> - int blocks /* How much to reserve */
> - )
> -{
> -
> - /* Fast case, if reservation is zero - exit immediately. */
> - if (!blocks)
> - return;
> -
> - spin_lock(&REISERFS_SB(sb)->bitmap_lock);
> - REISERFS_SB(sb)->reserved_blocks += blocks;
> - spin_unlock(&REISERFS_SB(sb)->bitmap_lock);
> -}
> -
> -/* Unreserve @blocks amount of blocks in fs pointed by @sb */
> -void reiserfs_release_claimed_blocks(struct super_block *sb, /* super block of
> - filesystem where
> - blocks should be
> - reserved */
> - int blocks /* How much to unreserve */
> - )
> -{
> -
> - /* Fast case, if unreservation is zero - exit immediately. */
> - if (!blocks)
> - return;
> -
> - spin_lock(&REISERFS_SB(sb)->bitmap_lock);
> - REISERFS_SB(sb)->reserved_blocks -= blocks;
> - spin_unlock(&REISERFS_SB(sb)->bitmap_lock);
> - RFALSE(REISERFS_SB(sb)->reserved_blocks < 0,
> - "amount of blocks reserved became zero?");
> -}
> -
> -/* This function estimates how much pages we will be able to write to FS
> - used for reiserfs_file_write() purposes for now. */
> -int reiserfs_can_fit_pages(struct super_block *sb /* superblock of filesystem
> - to estimate space */ )
> -{
> - int space;
> -
> - spin_lock(&REISERFS_SB(sb)->bitmap_lock);
> - space =
> - (SB_FREE_BLOCKS(sb) -
> - REISERFS_SB(sb)->reserved_blocks) >> (PAGE_CACHE_SHIFT -
> - sb->s_blocksize_bits);
> - spin_unlock(&REISERFS_SB(sb)->bitmap_lock);
> -
> - return space > 0 ? space : 0;
> -}
> -
> void reiserfs_cache_bitmap_metadata(struct super_block *sb,
> struct buffer_head *bh,
> struct reiserfs_bitmap_info *info)
> --- linux-2.6.22-rc4-mm2/fs/reiserfs/inode.c.old 2007-06-14 02:10:35.000000000 +0200
> +++ linux-2.6.22-rc4-mm2/fs/reiserfs/inode.c 2007-06-14 02:10:59.000000000 +0200
> @@ -208,8 +208,8 @@
> return 0;
> }
>
> -/*static*/ int restart_transaction(struct reiserfs_transaction_handle *th,
> - struct inode *inode, struct treepath *path)
> +static int restart_transaction(struct reiserfs_transaction_handle *th,
> + struct inode *inode, struct treepath *path)
> {
> struct super_block *s = th->t_super;
> int len = th->t_blocks_allocated;
> --- linux-2.6.22-rc4-mm2/fs/reiserfs/journal.c.old 2007-06-14 02:11:29.000000000 +0200
> +++ linux-2.6.22-rc4-mm2/fs/reiserfs/journal.c 2007-06-14 02:11:40.000000000 +0200
> @@ -966,7 +966,8 @@
> }
> return 0;
> }
> -int reiserfs_async_progress_wait(struct super_block *s)
> +
> +static int reiserfs_async_progress_wait(struct super_block *s)
> {
> DEFINE_WAIT(wait);
> struct reiserfs_journal *j = SB_JOURNAL(s);
-
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