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author | Tao Ma <tao.ma@oracle.com> | 2010-08-12 10:36:38 +0800 |
---|---|---|
committer | Tao Ma <tao.ma@oracle.com> | 2010-08-12 10:39:57 +0800 |
commit | 155027121fe52f9b4f25e9d156c22f2f5012e5fe (patch) | |
tree | 74067d52b685ab314173e74cc85a43a5d9e20c7d | |
parent | b890823635e022467b924e3d9da8c5166a4e349c (diff) | |
download | kernel_samsung_smdk4412-155027121fe52f9b4f25e9d156c22f2f5012e5fe.zip kernel_samsung_smdk4412-155027121fe52f9b4f25e9d156c22f2f5012e5fe.tar.gz kernel_samsung_smdk4412-155027121fe52f9b4f25e9d156c22f2f5012e5fe.tar.bz2 |
ocfs2: Add struct file to ocfs2_refcount_cow.
Add a new parameter 'struct file *' to ocfs2_refcount_cow
so that we can add readahead support later.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
-rw-r--r-- | fs/ocfs2/aops.c | 2 | ||||
-rw-r--r-- | fs/ocfs2/file.c | 8 | ||||
-rw-r--r-- | fs/ocfs2/refcounttree.c | 4 | ||||
-rw-r--r-- | fs/ocfs2/refcounttree.h | 3 |
4 files changed, 10 insertions, 7 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index e3efdd9..7155c5a 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1693,7 +1693,7 @@ int ocfs2_write_begin_nolock(struct file *filp, mlog_errno(ret); goto out; } else if (ret == 1) { - ret = ocfs2_refcount_cow(inode, di_bh, + ret = ocfs2_refcount_cow(inode, filp, di_bh, wc->w_cpos, wc->w_clen, UINT_MAX); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 5920159..4331f57 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -361,7 +361,7 @@ static int ocfs2_cow_file_pos(struct inode *inode, if (!(ext_flags & OCFS2_EXT_REFCOUNTED)) goto out; - return ocfs2_refcount_cow(inode, fe_bh, cpos, 1, cpos+1); + return ocfs2_refcount_cow(inode, NULL, fe_bh, cpos, 1, cpos+1); out: return status; @@ -904,8 +904,8 @@ static int ocfs2_zero_extend_get_range(struct inode *inode, zero_clusters = last_cpos - zero_cpos; if (needs_cow) { - rc = ocfs2_refcount_cow(inode, di_bh, zero_cpos, zero_clusters, - UINT_MAX); + rc = ocfs2_refcount_cow(inode, NULL, di_bh, zero_cpos, + zero_clusters, UINT_MAX); if (rc) { mlog_errno(rc); goto out; @@ -2071,7 +2071,7 @@ static int ocfs2_prepare_inode_for_refcount(struct inode *inode, *meta_level = 1; - ret = ocfs2_refcount_cow(inode, di_bh, cpos, clusters, UINT_MAX); + ret = ocfs2_refcount_cow(inode, file, di_bh, cpos, clusters, UINT_MAX); if (ret) mlog_errno(ret); out: diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 3ac5aa7..66dab3c 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -3404,6 +3404,7 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context) * unrefcounted extent. */ static int ocfs2_refcount_cow_hunk(struct inode *inode, + struct file *file, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos) { @@ -3481,6 +3482,7 @@ out: * clusters between cpos and cpos+write_len are safe to modify. */ int ocfs2_refcount_cow(struct inode *inode, + struct file *file, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos) { @@ -3500,7 +3502,7 @@ int ocfs2_refcount_cow(struct inode *inode, num_clusters = write_len; if (ext_flags & OCFS2_EXT_REFCOUNTED) { - ret = ocfs2_refcount_cow_hunk(inode, di_bh, cpos, + ret = ocfs2_refcount_cow_hunk(inode, file, di_bh, cpos, num_clusters, max_cpos); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 9983ba1..29cba0e 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -52,7 +52,8 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode, u32 clusters, int *credits, int *ref_blocks); -int ocfs2_refcount_cow(struct inode *inode, struct buffer_head *di_bh, +int ocfs2_refcount_cow(struct inode *inode, + struct file *filep, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos); typedef int (ocfs2_post_refcount_func)(struct inode *inode, |