diff options
author | Joel Becker <joel.becker@oracle.com> | 2008-10-09 17:20:32 -0700 |
---|---|---|
committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-14 11:58:03 -0700 |
commit | 07446dc72cffcc6e2672d0e54061dcd1858725ba (patch) | |
tree | 43ac4e257d6300b2bf767a953a8e2138e6894c18 /fs/ocfs2/dir.c | |
parent | 0fcaa56a2a020dd6f90c202b7084e6f4cbedb6c2 (diff) |
ocfs2: Move ocfs2_bread() into dir.c
dir.c is the only place using ocfs2_bread(), so let's make it static to
that file.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/dir.c')
-rw-r--r-- | fs/ocfs2/dir.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 459e6b8467d..ef2bb856f73 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -82,6 +82,49 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct ocfs2_alloc_context *meta_ac, struct buffer_head **new_bh); +static struct buffer_head *ocfs2_bread(struct inode *inode, + int block, int *err, int reada) +{ + struct buffer_head *bh = NULL; + int tmperr; + u64 p_blkno; + int readflags = OCFS2_BH_CACHED; + + if (reada) + readflags |= OCFS2_BH_READAHEAD; + + if (((u64)block << inode->i_sb->s_blocksize_bits) >= + i_size_read(inode)) { + BUG_ON(!reada); + return NULL; + } + + down_read(&OCFS2_I(inode)->ip_alloc_sem); + tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL, + NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (tmperr < 0) { + mlog_errno(tmperr); + goto fail; + } + + tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags); + if (tmperr < 0) + goto fail; + + tmperr = 0; + + *err = 0; + return bh; + +fail: + brelse(bh); + bh = NULL; + + *err = -EIO; + return NULL; +} + /* * bh passed here can be an inode block or a dir data block, depending * on the inode inline data flag. |