[readdir] convert xfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index b26a50f..8f023de 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -368,10 +368,8 @@
int
xfs_readdir(
xfs_inode_t *dp,
- void *dirent,
- size_t bufsize,
- xfs_off_t *offset,
- filldir_t filldir)
+ struct dir_context *ctx,
+ size_t bufsize)
{
int rval; /* return value */
int v; /* type-checking value */
@@ -385,14 +383,13 @@
XFS_STATS_INC(xs_dir_getdents);
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
- rval = xfs_dir2_sf_getdents(dp, dirent, offset, filldir);
+ rval = xfs_dir2_sf_getdents(dp, ctx);
else if ((rval = xfs_dir2_isblock(NULL, dp, &v)))
;
else if (v)
- rval = xfs_dir2_block_getdents(dp, dirent, offset, filldir);
+ rval = xfs_dir2_block_getdents(dp, ctx);
else
- rval = xfs_dir2_leaf_getdents(dp, dirent, bufsize, offset,
- filldir);
+ rval = xfs_dir2_leaf_getdents(dp, ctx, bufsize);
return rval;
}
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index e59f5fc..09aea02 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -569,9 +569,7 @@
int /* error */
xfs_dir2_block_getdents(
xfs_inode_t *dp, /* incore inode */
- void *dirent,
- xfs_off_t *offset,
- filldir_t filldir)
+ struct dir_context *ctx)
{
xfs_dir2_data_hdr_t *hdr; /* block header */
struct xfs_buf *bp; /* buffer for block */
@@ -589,7 +587,7 @@
/*
* If the block number in the offset is out of range, we're done.
*/
- if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk)
+ if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
return 0;
error = xfs_dir3_block_read(NULL, dp, &bp);
@@ -600,7 +598,7 @@
* Extract the byte offset we start at from the seek pointer.
* We'll skip entries before this.
*/
- wantoff = xfs_dir2_dataptr_to_off(mp, *offset);
+ wantoff = xfs_dir2_dataptr_to_off(mp, ctx->pos);
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
/*
@@ -639,13 +637,12 @@
cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
(char *)dep - (char *)hdr);
+ ctx->pos = cook & 0x7fffffff;
/*
* If it didn't fit, set the final offset to here & return.
*/
- if (filldir(dirent, (char *)dep->name, dep->namelen,
- cook & 0x7fffffff, be64_to_cpu(dep->inumber),
- DT_UNKNOWN)) {
- *offset = cook & 0x7fffffff;
+ if (!dir_emit(ctx, (char *)dep->name, dep->namelen,
+ be64_to_cpu(dep->inumber), DT_UNKNOWN)) {
xfs_trans_brelse(NULL, bp);
return 0;
}
@@ -655,7 +652,7 @@
* Reached the end of the block.
* Set the offset to a non-existent block 1 and return.
*/
- *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
+ ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
0x7fffffff;
xfs_trans_brelse(NULL, bp);
return 0;
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index da71a18..e0cc124 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -1300,10 +1300,8 @@
int /* error */
xfs_dir2_leaf_getdents(
xfs_inode_t *dp, /* incore directory inode */
- void *dirent,
- size_t bufsize,
- xfs_off_t *offset,
- filldir_t filldir)
+ struct dir_context *ctx,
+ size_t bufsize)
{
struct xfs_buf *bp = NULL; /* data block buffer */
xfs_dir2_data_hdr_t *hdr; /* data block header */
@@ -1322,7 +1320,7 @@
* If the offset is at or past the largest allowed value,
* give up right away.
*/
- if (*offset >= XFS_DIR2_MAX_DATAPTR)
+ if (ctx->pos >= XFS_DIR2_MAX_DATAPTR)
return 0;
mp = dp->i_mount;
@@ -1343,7 +1341,7 @@
* Inside the loop we keep the main offset value as a byte offset
* in the directory file.
*/
- curoff = xfs_dir2_dataptr_to_byte(mp, *offset);
+ curoff = xfs_dir2_dataptr_to_byte(mp, ctx->pos);
/*
* Force this conversion through db so we truncate the offset
@@ -1444,8 +1442,8 @@
dep = (xfs_dir2_data_entry_t *)ptr;
length = xfs_dir2_data_entsize(dep->namelen);
- if (filldir(dirent, (char *)dep->name, dep->namelen,
- xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff,
+ ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff;
+ if (!dir_emit(ctx, (char *)dep->name, dep->namelen,
be64_to_cpu(dep->inumber), DT_UNKNOWN))
break;
@@ -1462,9 +1460,9 @@
* All done. Set output offset value to current offset.
*/
if (curoff > xfs_dir2_dataptr_to_byte(mp, XFS_DIR2_MAX_DATAPTR))
- *offset = XFS_DIR2_MAX_DATAPTR & 0x7fffffff;
+ ctx->pos = XFS_DIR2_MAX_DATAPTR & 0x7fffffff;
else
- *offset = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff;
+ ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff;
kmem_free(map_info);
if (bp)
xfs_trans_brelse(NULL, bp);
diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h
index 7cf573c..0511cda 100644
--- a/fs/xfs/xfs_dir2_priv.h
+++ b/fs/xfs/xfs_dir2_priv.h
@@ -33,8 +33,8 @@
extern const struct xfs_buf_ops xfs_dir3_block_buf_ops;
extern int xfs_dir2_block_addname(struct xfs_da_args *args);
-extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
- xfs_off_t *offset, filldir_t filldir);
+extern int xfs_dir2_block_getdents(struct xfs_inode *dp,
+ struct dir_context *ctx);
extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
extern int xfs_dir2_block_removename(struct xfs_da_args *args);
extern int xfs_dir2_block_replace(struct xfs_da_args *args);
@@ -91,8 +91,8 @@
extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
struct xfs_dir2_leaf_entry *ents, int *indexp,
int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
-extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
- size_t bufsize, xfs_off_t *offset, filldir_t filldir);
+extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, struct dir_context *ctx,
+ size_t bufsize);
extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
struct xfs_buf **bpp, __uint16_t magic);
extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp,
@@ -153,8 +153,7 @@
int size, xfs_dir2_sf_hdr_t *sfhp);
extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
-extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
- xfs_off_t *offset, filldir_t filldir);
+extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, struct dir_context *ctx);
extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
index 6157424..97676a3 100644
--- a/fs/xfs/xfs_dir2_sf.c
+++ b/fs/xfs/xfs_dir2_sf.c
@@ -768,9 +768,7 @@
int /* error */
xfs_dir2_sf_getdents(
xfs_inode_t *dp, /* incore directory inode */
- void *dirent,
- xfs_off_t *offset,
- filldir_t filldir)
+ struct dir_context *ctx)
{
int i; /* shortform entry number */
xfs_mount_t *mp; /* filesystem mount point */
@@ -802,7 +800,7 @@
/*
* If the block number in the offset is out of range, we're done.
*/
- if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk)
+ if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
return 0;
/*
@@ -819,22 +817,20 @@
/*
* Put . entry unless we're starting past it.
*/
- if (*offset <= dot_offset) {
- if (filldir(dirent, ".", 1, dot_offset & 0x7fffffff, dp->i_ino, DT_DIR)) {
- *offset = dot_offset & 0x7fffffff;
+ if (ctx->pos <= dot_offset) {
+ ctx->pos = dot_offset & 0x7fffffff;
+ if (!dir_emit(ctx, ".", 1, dp->i_ino, DT_DIR))
return 0;
- }
}
/*
* Put .. entry unless we're starting past it.
*/
- if (*offset <= dotdot_offset) {
+ if (ctx->pos <= dotdot_offset) {
ino = xfs_dir2_sf_get_parent_ino(sfp);
- if (filldir(dirent, "..", 2, dotdot_offset & 0x7fffffff, ino, DT_DIR)) {
- *offset = dotdot_offset & 0x7fffffff;
+ ctx->pos = dotdot_offset & 0x7fffffff;
+ if (!dir_emit(ctx, "..", 2, ino, DT_DIR))
return 0;
- }
}
/*
@@ -845,21 +841,20 @@
off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
xfs_dir2_sf_get_offset(sfep));
- if (*offset > off) {
+ if (ctx->pos > off) {
sfep = xfs_dir2_sf_nextentry(sfp, sfep);
continue;
}
ino = xfs_dir2_sfe_get_ino(sfp, sfep);
- if (filldir(dirent, (char *)sfep->name, sfep->namelen,
- off & 0x7fffffff, ino, DT_UNKNOWN)) {
- *offset = off & 0x7fffffff;
+ ctx->pos = off & 0x7fffffff;
+ if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen,
+ ino, DT_UNKNOWN))
return 0;
- }
sfep = xfs_dir2_sf_nextentry(sfp, sfep);
}
- *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
+ ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
0x7fffffff;
return 0;
}
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index a5f2042..0ad2b95 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -906,11 +906,10 @@
STATIC int
xfs_file_readdir(
- struct file *filp,
- void *dirent,
- filldir_t filldir)
+ struct file *file,
+ struct dir_context *ctx)
{
- struct inode *inode = file_inode(filp);
+ struct inode *inode = file_inode(file);
xfs_inode_t *ip = XFS_I(inode);
int error;
size_t bufsize;
@@ -929,8 +928,7 @@
*/
bufsize = (size_t)min_t(loff_t, 32768, ip->i_d.di_size);
- error = xfs_readdir(ip, dirent, bufsize,
- (xfs_off_t *)&filp->f_pos, filldir);
+ error = xfs_readdir(ip, ctx, bufsize);
if (error)
return -error;
return 0;
@@ -1432,7 +1430,7 @@
const struct file_operations xfs_dir_file_operations = {
.open = xfs_dir_open,
.read = generic_read_dir,
- .readdir = xfs_file_readdir,
+ .iterate = xfs_file_readdir,
.llseek = generic_file_llseek,
.unlocked_ioctl = xfs_file_ioctl,
#ifdef CONFIG_COMPAT
diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h
index 5163022..38c67c3 100644
--- a/fs/xfs/xfs_vnodeops.h
+++ b/fs/xfs/xfs_vnodeops.h
@@ -31,8 +31,7 @@
struct xfs_inode *ip);
int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip,
struct xfs_name *target_name);
-int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize,
- xfs_off_t *offset, filldir_t filldir);
+int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx, size_t bufsize);
int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name,
const char *target_path, umode_t mode, struct xfs_inode **ipp);
int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state);