xfs: devirtualize ->sf_get_parent_ino and ->sf_put_parent_ino

The parent inode handling is the same for all directory format variants,
just use direct calls instead of going through a pointless indirect
call.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c
index 2b708b9..7858469 100644 (file)
--- a/fs/xfs/libxfs/xfs_da_format.c
+++ b/fs/xfs/libxfs/xfs_da_format.c
@@ -132,14 +132,14 @@ xfs_dir2_sf_put_ino(
                put_unaligned_be32(ino, to);
 }
 
-static xfs_ino_t
+xfs_ino_t
 xfs_dir2_sf_get_parent_ino(
        struct xfs_dir2_sf_hdr  *hdr)
 {
        return xfs_dir2_sf_get_ino(hdr, hdr->parent);
 }
 
-static void
+void
 xfs_dir2_sf_put_parent_ino(
        struct xfs_dir2_sf_hdr  *hdr,
        xfs_ino_t               ino)
@@ -407,8 +407,6 @@ static const struct xfs_dir_ops xfs_dir2_ops = {
        .sf_put_ftype = xfs_dir2_sfe_put_ftype,
        .sf_get_ino = xfs_dir2_sfe_get_ino,
        .sf_put_ino = xfs_dir2_sfe_put_ino,
-       .sf_get_parent_ino = xfs_dir2_sf_get_parent_ino,
-       .sf_put_parent_ino = xfs_dir2_sf_put_parent_ino,
 
        .data_entsize = xfs_dir2_data_entsize,
        .data_get_ftype = xfs_dir2_data_get_ftype,
@@ -438,8 +436,6 @@ static const struct xfs_dir_ops xfs_dir2_ftype_ops = {
        .sf_put_ftype = xfs_dir3_sfe_put_ftype,
        .sf_get_ino = xfs_dir3_sfe_get_ino,
        .sf_put_ino = xfs_dir3_sfe_put_ino,
-       .sf_get_parent_ino = xfs_dir2_sf_get_parent_ino,
-       .sf_put_parent_ino = xfs_dir2_sf_put_parent_ino,
 
        .data_entsize = xfs_dir3_data_entsize,
        .data_get_ftype = xfs_dir3_data_get_ftype,
@@ -469,8 +465,6 @@ static const struct xfs_dir_ops xfs_dir3_ops = {
        .sf_put_ftype = xfs_dir3_sfe_put_ftype,
        .sf_get_ino = xfs_dir3_sfe_get_ino,
        .sf_put_ino = xfs_dir3_sfe_put_ino,
-       .sf_get_parent_ino = xfs_dir2_sf_get_parent_ino,
-       .sf_put_parent_ino = xfs_dir2_sf_put_parent_ino,
 
        .data_entsize = xfs_dir3_data_entsize,
        .data_get_ftype = xfs_dir3_data_get_ftype,

diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index e302679..d3a0b8d 100644 (file)
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -44,9 +44,6 @@ struct xfs_dir_ops {
        void    (*sf_put_ino)(struct xfs_dir2_sf_hdr *hdr,
                              struct xfs_dir2_sf_entry *sfep,
                              xfs_ino_t ino);
-       xfs_ino_t (*sf_get_parent_ino)(struct xfs_dir2_sf_hdr *hdr);
-       void    (*sf_put_parent_ino)(struct xfs_dir2_sf_hdr *hdr,
-                                    xfs_ino_t ino);
 
        int     (*data_entsize)(int len);
        uint8_t (*data_get_ftype)(struct xfs_dir2_data_entry *dep);

diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index 065fe10..bc47113 100644 (file)
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -1157,7 +1157,7 @@ xfs_dir2_sf_to_block(
         * Create entry for ..
         */
        dep = dp->d_ops->data_dotdot_entry_p(hdr);
-       dep->inumber = cpu_to_be64(dp->d_ops->sf_get_parent_ino(sfp));
+       dep->inumber = cpu_to_be64(xfs_dir2_sf_get_parent_ino(sfp));
        dep->namelen = 2;
        dep->name[0] = dep->name[1] = '.';
        dp->d_ops->data_put_ftype(dep, XFS_DIR3_FT_DIR);

diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h
index 9128f7a..bb50853 100644 (file)
--- a/fs/xfs/libxfs/xfs_dir2_priv.h
+++ b/fs/xfs/libxfs/xfs_dir2_priv.h
@@ -145,6 +145,8 @@ extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
                xfs_dablk_t fbno, struct xfs_buf **bpp);
 
 /* xfs_dir2_sf.c */
+xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *hdr);
+void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *hdr, xfs_ino_t ino);
 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
                struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,

diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index d6b164a..c7ca25a 100644 (file)
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -125,7 +125,7 @@ xfs_dir2_block_sfsize(
         */
        sfhp->count = count;
        sfhp->i8count = i8count;
-       dp->d_ops->sf_put_parent_ino(sfhp, parent);
+       xfs_dir2_sf_put_parent_ino(sfhp, parent);
        return size;
 }
 
@@ -204,7 +204,7 @@ xfs_dir2_block_to_sf(
                else if (dep->namelen == 2 &&
                         dep->name[0] == '.' && dep->name[1] == '.')
                        ASSERT(be64_to_cpu(dep->inumber) ==
-                              dp->d_ops->sf_get_parent_ino(sfp));
+                              xfs_dir2_sf_get_parent_ino(sfp));
                /*
                 * Normal entry, copy it into shortform.
                 */
@@ -584,7 +584,7 @@ xfs_dir2_sf_check(
 
        sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
        offset = dp->d_ops->data_first_offset;
-       ino = dp->d_ops->sf_get_parent_ino(sfp);
+       ino = xfs_dir2_sf_get_parent_ino(sfp);
        i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
 
        for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
@@ -647,7 +647,7 @@ xfs_dir2_sf_verify(
        endp = (char *)sfp + size;
 
        /* Check .. entry */
-       ino = dops->sf_get_parent_ino(sfp);
+       ino = xfs_dir2_sf_get_parent_ino(sfp);
        i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
        error = xfs_dir_ino_validate(mp, ino);
        if (error)
@@ -757,7 +757,7 @@ xfs_dir2_sf_create(
        /*
         * Now can put in the inode number, since i8count is set.
         */
-       dp->d_ops->sf_put_parent_ino(sfp, pino);
+       xfs_dir2_sf_put_parent_ino(sfp, pino);
        sfp->count = 0;
        dp->i_d.di_size = size;
        xfs_dir2_sf_check(args);
@@ -806,7 +806,7 @@ xfs_dir2_sf_lookup(
         */
        if (args->namelen == 2 &&
            args->name[0] == '.' && args->name[1] == '.') {
-               args->inumber = dp->d_ops->sf_get_parent_ino(sfp);
+               args->inumber = xfs_dir2_sf_get_parent_ino(sfp);
                args->cmpresult = XFS_CMP_EXACT;
                args->filetype = XFS_DIR3_FT_DIR;
                return -EEXIST;
@@ -984,9 +984,9 @@ xfs_dir2_sf_replace(
         */
        if (args->namelen == 2 &&
            args->name[0] == '.' && args->name[1] == '.') {
-               ino = dp->d_ops->sf_get_parent_ino(sfp);
+               ino = xfs_dir2_sf_get_parent_ino(sfp);
                ASSERT(args->inumber != ino);
-               dp->d_ops->sf_put_parent_ino(sfp, args->inumber);
+               xfs_dir2_sf_put_parent_ino(sfp, args->inumber);
        }
        /*
         * Normal entry, look for the name.
@@ -1092,7 +1092,7 @@ xfs_dir2_sf_toino4(
         */
        sfp->count = oldsfp->count;
        sfp->i8count = 0;
-       dp->d_ops->sf_put_parent_ino(sfp, dp->d_ops->sf_get_parent_ino(oldsfp));
+       xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp));
        /*
         * Copy the entries field by field.
         */
@@ -1165,7 +1165,7 @@ xfs_dir2_sf_toino8(
         */
        sfp->count = oldsfp->count;
        sfp->i8count = 1;
-       dp->d_ops->sf_put_parent_ino(sfp, dp->d_ops->sf_get_parent_ino(oldsfp));
+       xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp));
        /*
         * Copy the entries field by field.
         */

diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
index a0bec09..6f94d2a 100644 (file)
--- a/fs/xfs/xfs_dir2_readdir.c
+++ b/fs/xfs/xfs_dir2_readdir.c
@@ -92,7 +92,7 @@ xfs_dir2_sf_getdents(
         * Put .. entry unless we're starting past it.
         */
        if (ctx->pos <= dotdot_offset) {
-               ino = dp->d_ops->sf_get_parent_ino(sfp);
+               ino = xfs_dir2_sf_get_parent_ino(sfp);
                ctx->pos = dotdot_offset & 0x7fffffff;
                if (!dir_emit(ctx, "..", 2, ino, DT_DIR))
                        return 0;