[PATCH 04/19] ntfs3: remove ntfs_alloc_bio
bio_alloc will never fail if it is allowed to sleep, so there is no
need for this loop. Also remove the __GFP_HIGH specifier as it doesn't
make sense here given that we'll always fall back to the mempool anyway.
Signed-off-by: Christoph Hellwig
---
fs/ntfs3/fsntfs.c | 23 ++-
1 file changed, 2 insertions(+), 21 deletions(-)
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 4de9acb169689..4a255e21ecf5f 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -1443,17 +1443,6 @@ int ntfs_write_bh(struct ntfs_sb_info *sbi, struct
NTFS_RECORD_HEADER *rhdr,
return err;
}
-static inline struct bio *ntfs_alloc_bio(u32 nr_vecs)
-{
- struct bio *bio = bio_alloc(GFP_NOFS | __GFP_HIGH, nr_vecs);
-
- if (!bio && (current->flags & PF_MEMALLOC)) {
- while (!bio && (nr_vecs /= 2))
- bio = bio_alloc(GFP_NOFS | __GFP_HIGH, nr_vecs);
- }
- return bio;
-}
-
/*
* ntfs_bio_pages - Read/write pages from/to disk.
*/
@@ -1496,11 +1485,7 @@ int ntfs_bio_pages(struct ntfs_sb_info *sbi, const
struct runs_tree *run,
lbo = ((u64)lcn << cluster_bits) + off;
len = ((u64)clen << cluster_bits) - off;
new_bio:
- new = ntfs_alloc_bio(nr_pages - page_idx);
- if (!new) {
- err = -ENOMEM;
- goto out;
- }
+ new = bio_alloc(GFP_NOFS, nr_pages - page_idx);
if (bio) {
bio_chain(bio, new);
submit_bio(bio);
@@ -1599,11 +1584,7 @@ int ntfs_bio_fill_1(struct ntfs_sb_info *sbi, const
struct runs_tree *run)
lbo = (u64)lcn << cluster_bits;
len = (u64)clen << cluster_bits;
new_bio:
- new = ntfs_alloc_bio(BIO_MAX_VECS);
- if (!new) {
- err = -ENOMEM;
- break;
- }
+ new = bio_alloc(GFP_NOFS, BIO_MAX_VECS);
if (bio) {
bio_chain(bio, new);
submit_bio(bio);
--
2.30.2
[PATCH 04/19] ntfs3: remove ntfs_alloc_bio
bio_alloc will never fail if it is allowed to sleep, so there is no
need for this loop. Also remove the __GFP_HIGH specifier as it doesn't
make sense here given that we'll always fall back to the mempool anyway.
Signed-off-by: Christoph Hellwig
---
fs/ntfs3/fsntfs.c | 23 ++-
1 file changed, 2 insertions(+), 21 deletions(-)
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 4de9acb169689..4a255e21ecf5f 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -1443,17 +1443,6 @@ int ntfs_write_bh(struct ntfs_sb_info *sbi, struct
NTFS_RECORD_HEADER *rhdr,
return err;
}
-static inline struct bio *ntfs_alloc_bio(u32 nr_vecs)
-{
- struct bio *bio = bio_alloc(GFP_NOFS | __GFP_HIGH, nr_vecs);
-
- if (!bio && (current->flags & PF_MEMALLOC)) {
- while (!bio && (nr_vecs /= 2))
- bio = bio_alloc(GFP_NOFS | __GFP_HIGH, nr_vecs);
- }
- return bio;
-}
-
/*
* ntfs_bio_pages - Read/write pages from/to disk.
*/
@@ -1496,11 +1485,7 @@ int ntfs_bio_pages(struct ntfs_sb_info *sbi, const
struct runs_tree *run,
lbo = ((u64)lcn << cluster_bits) + off;
len = ((u64)clen << cluster_bits) - off;
new_bio:
- new = ntfs_alloc_bio(nr_pages - page_idx);
- if (!new) {
- err = -ENOMEM;
- goto out;
- }
+ new = bio_alloc(GFP_NOFS, nr_pages - page_idx);
if (bio) {
bio_chain(bio, new);
submit_bio(bio);
@@ -1599,11 +1584,7 @@ int ntfs_bio_fill_1(struct ntfs_sb_info *sbi, const
struct runs_tree *run)
lbo = (u64)lcn << cluster_bits;
len = (u64)clen << cluster_bits;
new_bio:
- new = ntfs_alloc_bio(BIO_MAX_VECS);
- if (!new) {
- err = -ENOMEM;
- break;
- }
+ new = bio_alloc(GFP_NOFS, BIO_MAX_VECS);
if (bio) {
bio_chain(bio, new);
submit_bio(bio);
--
2.30.2
