summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/checkpoint.c4
-rw-r--r--fs/f2fs/data.c93
-rw-r--r--fs/f2fs/f2fs.h1
-rw-r--r--fs/f2fs/file.c2
-rw-r--r--fs/f2fs/gc.c79
-rw-r--r--fs/f2fs/inline.c1
-rw-r--r--fs/f2fs/node.c2
-rw-r--r--fs/f2fs/segment.c24
8 files changed, 177 insertions, 29 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index a61d4b06e05a..7b7a9d8bd6ca 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -56,6 +56,7 @@ struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
.type = META,
.rw = READ_SYNC | REQ_META | REQ_PRIO,
.blk_addr = index,
+ .encrypted_page = NULL,
};
repeat:
page = grab_cache_page(mapping, index);
@@ -122,7 +123,8 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, int type
struct f2fs_io_info fio = {
.sbi = sbi,
.type = META,
- .rw = READ_SYNC | REQ_META | REQ_PRIO
+ .rw = READ_SYNC | REQ_META | REQ_PRIO,
+ .encrypted_page = NULL,
};
for (; nrpages-- > 0; blkno++) {
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 473b4d41c0c8..8d04e24a889f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -57,6 +57,15 @@ static void mpage_end_io(struct bio *bio, int err)
struct bio_vec *bv;
int i;
+ if (f2fs_bio_encrypted(bio)) {
+ if (err) {
+ f2fs_release_crypto_ctx(bio->bi_private);
+ } else {
+ f2fs_end_io_crypto_work(bio->bi_private, bio);
+ return;
+ }
+ }
+
bio_for_each_segment_all(bv, bio, i) {
struct page *page = bv->bv_page;
@@ -81,6 +90,8 @@ static void f2fs_write_end_io(struct bio *bio, int err)
bio_for_each_segment_all(bvec, bio, i) {
struct page *page = bvec->bv_page;
+ f2fs_restore_and_release_control_page(&page);
+
if (unlikely(err)) {
set_page_dirty(page);
set_bit(AS_EIO, &page->mapping->flags);
@@ -161,7 +172,7 @@ void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi,
int f2fs_submit_page_bio(struct f2fs_io_info *fio)
{
struct bio *bio;
- struct page *page = fio->page;
+ struct page *page = fio->encrypted_page ? fio->encrypted_page : fio->page;
trace_f2fs_submit_page_bio(page, fio);
f2fs_trace_ios(fio, 0);
@@ -185,6 +196,7 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio)
enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
struct f2fs_bio_info *io;
bool is_read = is_read_io(fio->rw);
+ struct page *bio_page;
io = is_read ? &sbi->read_io : &sbi->write_io[btype];
@@ -206,7 +218,9 @@ alloc_new:
io->fio = *fio;
}
- if (bio_add_page(io->bio, fio->page, PAGE_CACHE_SIZE, 0) <
+ bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
+
+ if (bio_add_page(io->bio, bio_page, PAGE_CACHE_SIZE, 0) <
PAGE_CACHE_SIZE) {
__submit_merged_bio(io);
goto alloc_new;
@@ -928,8 +942,12 @@ struct page *get_read_data_page(struct inode *inode, pgoff_t index, int rw)
.sbi = F2FS_I_SB(inode),
.type = DATA,
.rw = rw,
+ .encrypted_page = NULL,
};
+ if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
+ return read_mapping_page(mapping, index, NULL);
+
page = grab_cache_page(mapping, index);
if (!page)
return ERR_PTR(-ENOMEM);
@@ -1066,26 +1084,14 @@ repeat:
zero_user_segment(page, 0, PAGE_CACHE_SIZE);
SetPageUptodate(page);
} else {
- struct f2fs_io_info fio = {
- .sbi = F2FS_I_SB(inode),
- .type = DATA,
- .rw = READ_SYNC,
- .blk_addr = dn.data_blkaddr,
- .page = page,
- };
- err = f2fs_submit_page_bio(&fio);
- if (err)
- return ERR_PTR(err);
+ f2fs_put_page(page, 1);
- lock_page(page);
- if (unlikely(!PageUptodate(page))) {
- f2fs_put_page(page, 1);
- return ERR_PTR(-EIO);
- }
- if (unlikely(page->mapping != mapping)) {
- f2fs_put_page(page, 1);
+ page = get_read_data_page(inode, index, READ_SYNC);
+ if (IS_ERR(page))
goto repeat;
- }
+
+ /* wait for read completion */
+ lock_page(page);
}
got_it:
if (new_i_size &&
@@ -1548,14 +1554,38 @@ submit_and_realloc:
bio = NULL;
}
if (bio == NULL) {
+ struct f2fs_crypto_ctx *ctx = NULL;
+
+ if (f2fs_encrypted_inode(inode) &&
+ S_ISREG(inode->i_mode)) {
+ struct page *cpage;
+
+ ctx = f2fs_get_crypto_ctx(inode);
+ if (IS_ERR(ctx))
+ goto set_error_page;
+
+ /* wait the page to be moved by cleaning */
+ cpage = find_lock_page(
+ META_MAPPING(F2FS_I_SB(inode)),
+ block_nr);
+ if (cpage) {
+ f2fs_wait_on_page_writeback(cpage,
+ DATA);
+ f2fs_put_page(cpage, 1);
+ }
+ }
+
bio = bio_alloc(GFP_KERNEL,
min_t(int, nr_pages, bio_get_nr_vecs(bdev)));
- if (!bio)
+ if (!bio) {
+ if (ctx)
+ f2fs_release_crypto_ctx(ctx);
goto set_error_page;
+ }
bio->bi_bdev = bdev;
bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(block_nr);
bio->bi_end_io = mpage_end_io;
- bio->bi_private = NULL;
+ bio->bi_private = ctx;
}
if (bio_add_page(bio, page, blocksize, 0) < blocksize)
@@ -1632,6 +1662,14 @@ int do_write_data_page(struct f2fs_io_info *fio)
goto out_writepage;
}
+ if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) {
+ fio->encrypted_page = f2fs_encrypt(inode, fio->page);
+ if (IS_ERR(fio->encrypted_page)) {
+ err = PTR_ERR(fio->encrypted_page);
+ goto out_writepage;
+ }
+ }
+
set_page_writeback(page);
/*
@@ -1674,6 +1712,7 @@ static int f2fs_write_data_page(struct page *page,
.type = DATA,
.rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE,
.page = page,
+ .encrypted_page = NULL,
};
trace_f2fs_writepage(page, DATA);
@@ -1897,6 +1936,7 @@ put_next:
.rw = READ_SYNC,
.blk_addr = dn.data_blkaddr,
.page = page,
+ .encrypted_page = NULL,
};
err = f2fs_submit_page_bio(&fio);
if (err)
@@ -1912,6 +1952,15 @@ put_next:
f2fs_put_page(page, 1);
goto repeat;
}
+
+ /* avoid symlink page */
+ if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) {
+ err = f2fs_decrypt_one(inode, page);
+ if (err) {
+ f2fs_put_page(page, 1);
+ goto fail;
+ }
+ }
}
out:
SetPageUptodate(page);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 1bf75f8c40bf..4a7a9d3024bf 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -656,6 +656,7 @@ struct f2fs_io_info {
int rw; /* contains R/RS/W/WS with REQ_META/REQ_PRIO */
block_t blk_addr; /* block address to be written */
struct page *page; /* page to be written */
+ struct page *encrypted_page; /* encrypted page */
};
#define is_read_io(rw) (((rw) & 1) == READ)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 9eb0100c57fd..452123ecd8fc 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -504,7 +504,7 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
truncate_out:
f2fs_wait_on_page_writeback(page, DATA);
zero_user(page, offset, PAGE_CACHE_SIZE - offset);
- if (!cache_only)
+ if (!cache_only || !f2fs_encrypted_inode(inode) || !S_ISREG(inode->i_mode))
set_page_dirty(page);
f2fs_put_page(page, 1);
return 0;
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 2e2afebd9d0f..43354cb3ce94 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -518,6 +518,72 @@ static int check_dnode(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
return 1;
}
+static void move_encrypted_block(struct inode *inode, block_t bidx)
+{
+ struct f2fs_io_info fio = {
+ .sbi = F2FS_I_SB(inode),
+ .type = DATA,
+ .rw = READ_SYNC,
+ .encrypted_page = NULL,
+ };
+ struct dnode_of_data dn;
+ struct f2fs_summary sum;
+ struct node_info ni;
+ struct page *page;
+ int err;
+
+ /* do not read out */
+ page = grab_cache_page(inode->i_mapping, bidx);
+ if (!page)
+ return;
+
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
+ err = get_dnode_of_data(&dn, bidx, LOOKUP_NODE);
+ if (err)
+ goto out;
+
+ if (unlikely(dn.data_blkaddr == NULL_ADDR))
+ goto put_out;
+
+ get_node_info(fio.sbi, dn.nid, &ni);
+ set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
+
+ /* read page */
+ fio.page = page;
+ fio.blk_addr = dn.data_blkaddr;
+
+ fio.encrypted_page = grab_cache_page(META_MAPPING(fio.sbi), fio.blk_addr);
+ if (!fio.encrypted_page)
+ goto put_out;
+
+ f2fs_submit_page_bio(&fio);
+
+ /* allocate block address */
+ f2fs_wait_on_page_writeback(dn.node_page, NODE);
+
+ allocate_data_block(fio.sbi, NULL, fio.blk_addr,
+ &fio.blk_addr, &sum, CURSEG_COLD_DATA);
+ dn.data_blkaddr = fio.blk_addr;
+
+ /* write page */
+ lock_page(fio.encrypted_page);
+ set_page_writeback(fio.encrypted_page);
+ fio.rw = WRITE_SYNC;
+ f2fs_submit_page_mbio(&fio);
+
+ set_data_blkaddr(&dn);
+ f2fs_update_extent_cache(&dn);
+ set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
+ if (page->index == 0)
+ set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN);
+
+ f2fs_put_page(fio.encrypted_page, 1);
+put_out:
+ f2fs_put_dnode(&dn);
+out:
+ f2fs_put_page(page, 1);
+}
+
static void move_data_page(struct inode *inode, block_t bidx, int gc_type)
{
struct page *page;
@@ -537,6 +603,7 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type)
.type = DATA,
.rw = WRITE_SYNC,
.page = page,
+ .encrypted_page = NULL,
};
f2fs_wait_on_page_writeback(page, DATA);
@@ -606,6 +673,13 @@ next_step:
if (IS_ERR(inode) || is_bad_inode(inode))
continue;
+ /* if encrypted inode, let's go phase 3 */
+ if (f2fs_encrypted_inode(inode) &&
+ S_ISREG(inode->i_mode)) {
+ add_gc_inode(gc_list, inode);
+ continue;
+ }
+
start_bidx = start_bidx_of_node(nofs, F2FS_I(inode));
data_page = get_read_data_page(inode,
start_bidx + ofs_in_node, READA);
@@ -624,7 +698,10 @@ next_step:
if (inode) {
start_bidx = start_bidx_of_node(nofs, F2FS_I(inode))
+ ofs_in_node;
- move_data_page(inode, start_bidx, gc_type);
+ if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
+ move_encrypted_block(inode, start_bidx);
+ else
+ move_data_page(inode, start_bidx, gc_type);
stat_inc_data_blk_count(sbi, 1, gc_type);
}
}
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 5f5b34be5cd9..b0b780502836 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -113,6 +113,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
.type = DATA,
.rw = WRITE_SYNC | REQ_PRIO,
.page = page,
+ .encrypted_page = NULL,
};
int dirty, err;
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 771725650c0d..d9c52424bac2 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1003,6 +1003,7 @@ static int read_node_page(struct page *page, int rw)
.type = NODE,
.rw = rw,
.page = page,
+ .encrypted_page = NULL,
};
get_node_info(sbi, page->index, &ni);
@@ -1299,6 +1300,7 @@ static int f2fs_write_node_page(struct page *page,
.type = NODE,
.rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE,
.page = page,
+ .encrypted_page = NULL,
};
trace_f2fs_writepage(page, NODE);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 989c0bf48431..2c40ce132895 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -219,6 +219,7 @@ void commit_inmem_pages(struct inode *inode, bool abort)
.sbi = sbi,
.type = DATA,
.rw = WRITE_SYNC | REQ_PRIO,
+ .encrypted_page = NULL,
};
/*
@@ -1231,6 +1232,7 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
.rw = WRITE_SYNC | REQ_META | REQ_PRIO,
.blk_addr = page->index,
.page = page,
+ .encrypted_page = NULL,
};
set_page_writeback(page);
@@ -1330,20 +1332,34 @@ static inline bool is_merged_page(struct f2fs_sb_info *sbi,
enum page_type btype = PAGE_TYPE_OF_BIO(type);
struct f2fs_bio_info *io = &sbi->write_io[btype];
struct bio_vec *bvec;
+ struct page *target;
int i;
down_read(&io->io_rwsem);
- if (!io->bio)
- goto out;
+ if (!io->bio) {
+ up_read(&io->io_rwsem);
+ return false;
+ }
bio_for_each_segment_all(bvec, io->bio, i) {
- if (page == bvec->bv_page) {
+
+ if (bvec->bv_page->mapping) {
+ target = bvec->bv_page;
+ } else {
+ struct f2fs_crypto_ctx *ctx;
+
+ /* encrypted page */
+ ctx = (struct f2fs_crypto_ctx *)page_private(
+ bvec->bv_page);
+ target = ctx->control_page;
+ }
+
+ if (page == target) {
up_read(&io->io_rwsem);
return true;
}
}
-out:
up_read(&io->io_rwsem);
return false;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 17:10:34 +0300