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-rw-r--r--fs/erofs/data.c5
-rw-r--r--fs/erofs/decompressor_zstd.c11
-rw-r--r--fs/erofs/fileio.c6
-rw-r--r--fs/erofs/inode.c2
4 files changed, 13 insertions, 11 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 8ca29962a3dd..bb13c4cb8455 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -371,7 +371,8 @@ static int erofs_read_folio(struct file *file, struct folio *folio)
{
trace_erofs_read_folio(folio, true);
- return iomap_read_folio(folio, &erofs_iomap_ops);
+ iomap_bio_read_folio(folio, &erofs_iomap_ops);
+ return 0;
}
static void erofs_readahead(struct readahead_control *rac)
@@ -379,7 +380,7 @@ static void erofs_readahead(struct readahead_control *rac)
trace_erofs_readahead(rac->mapping->host, readahead_index(rac),
readahead_count(rac), true);
- return iomap_readahead(rac, &erofs_iomap_ops);
+ iomap_bio_readahead(rac, &erofs_iomap_ops);
}
static sector_t erofs_bmap(struct address_space *mapping, sector_t block)
diff --git a/fs/erofs/decompressor_zstd.c b/fs/erofs/decompressor_zstd.c
index b4bfe14229f9..e38d93bb2104 100644
--- a/fs/erofs/decompressor_zstd.c
+++ b/fs/erofs/decompressor_zstd.c
@@ -172,7 +172,6 @@ static int z_erofs_zstd_decompress(struct z_erofs_decompress_req *rq,
dctx.bounce = strm->bounce;
do {
- dctx.avail_out = out_buf.size - out_buf.pos;
dctx.inbuf_sz = in_buf.size;
dctx.inbuf_pos = in_buf.pos;
err = z_erofs_stream_switch_bufs(&dctx, &out_buf.dst,
@@ -188,14 +187,18 @@ static int z_erofs_zstd_decompress(struct z_erofs_decompress_req *rq,
in_buf.pos = dctx.inbuf_pos;
zerr = zstd_decompress_stream(stream, &out_buf, &in_buf);
- if (zstd_is_error(zerr) || (!zerr && rq->outputsize)) {
+ dctx.avail_out = out_buf.size - out_buf.pos;
+ if (zstd_is_error(zerr) ||
+ ((rq->outputsize + dctx.avail_out) && (!zerr || (zerr > 0 &&
+ !(rq->inputsize + in_buf.size - in_buf.pos))))) {
erofs_err(sb, "failed to decompress in[%u] out[%u]: %s",
rq->inputsize, rq->outputsize,
- zerr ? zstd_get_error_name(zerr) : "unexpected end of stream");
+ zstd_is_error(zerr) ? zstd_get_error_name(zerr) :
+ "unexpected end of stream");
err = -EFSCORRUPTED;
break;
}
- } while (rq->outputsize || out_buf.pos < out_buf.size);
+ } while (rq->outputsize + dctx.avail_out);
if (dctx.kout)
kunmap_local(dctx.kout);
diff --git a/fs/erofs/fileio.c b/fs/erofs/fileio.c
index b7b3432a9882..d27938435b2f 100644
--- a/fs/erofs/fileio.c
+++ b/fs/erofs/fileio.c
@@ -47,7 +47,6 @@ static void erofs_fileio_ki_complete(struct kiocb *iocb, long ret)
static void erofs_fileio_rq_submit(struct erofs_fileio_rq *rq)
{
- const struct cred *old_cred;
struct iov_iter iter;
int ret;
@@ -61,9 +60,8 @@ static void erofs_fileio_rq_submit(struct erofs_fileio_rq *rq)
rq->iocb.ki_flags = IOCB_DIRECT;
iov_iter_bvec(&iter, ITER_DEST, rq->bvecs, rq->bio.bi_vcnt,
rq->bio.bi_iter.bi_size);
- old_cred = override_creds(rq->iocb.ki_filp->f_cred);
- ret = vfs_iocb_iter_read(rq->iocb.ki_filp, &rq->iocb, &iter);
- revert_creds(old_cred);
+ scoped_with_creds(rq->iocb.ki_filp->f_cred)
+ ret = vfs_iocb_iter_read(rq->iocb.ki_filp, &rq->iocb, &iter);
if (ret != -EIOCBQUEUED)
erofs_fileio_ki_complete(&rq->iocb, ret);
}
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index cb780c095d28..bce98c845a18 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -295,7 +295,7 @@ struct inode *erofs_iget(struct super_block *sb, erofs_nid_t nid)
if (!inode)
return ERR_PTR(-ENOMEM);
- if (inode->i_state & I_NEW) {
+ if (inode_state_read_once(inode) & I_NEW) {
int err = erofs_fill_inode(inode);
if (err) {