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kernel: yaffs2: update to version from 2015-06-02

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In addition to the update this also fixes compile problems with kernel 4.1.

This closes #20323.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 46609
This commit is contained in:
Hauke Mehrtens 2015-08-15 17:16:03 +00:00
parent 1c66ebcd2d
commit b1bd85c40e
14 changed files with 288 additions and 175 deletions
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2
target/linux/generic/files/fs/yaffs2/NOTE.openwrt
View file

@ -1,4 +1,4 @@
The yaffs2 source has been fetched from the yaffs2 GIT tree.
URL: git://www.aleph1.co.uk/yaffs2
Version: 7e5cf0fa1b694f835cdc184a8395b229fa29f9ae (2014-08-07)
Version: 583dbd9cc2668870cb013f051ba59f7d3e513dae (2015-06-02)

38
target/linux/generic/files/fs/yaffs2/yaffs_checkptrw.c
View file

@ -237,8 +237,9 @@ int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing)
dev->blocks_in_checkpt = 0;
dev->checkpt_max_blocks =
(dev->internal_end_block - dev->internal_start_block) / 16 + 2;
dev->checkpt_block_list =
kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS);
if (!dev->checkpt_block_list)
dev->checkpt_block_list =
kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS);
if (!dev->checkpt_block_list)
return 0;
@ -348,7 +349,6 @@ int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes)
int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes)
{
int i = 0;
int ok = 1;
struct yaffs_ext_tags tags;
int chunk;
int offset_chunk;
@ -360,7 +360,7 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes)
if (dev->checkpt_open_write)
return -1;
while (i < n_bytes && ok) {
while (i < n_bytes) {
if (dev->checkpt_byte_offs < 0 ||
dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) {
@ -370,10 +370,9 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes)
dev->checkpt_cur_chunk = 0;
}
if (dev->checkpt_cur_block < 0) {
ok = 0;
/* Bail out if we can't find a checpoint block */
if (dev->checkpt_cur_block < 0)
break;
}
chunk = dev->checkpt_cur_block *
dev->param.chunks_per_block +
@ -382,22 +381,21 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes)
offset_chunk = apply_chunk_offset(dev, chunk);
dev->n_page_reads++;
/* read in the next chunk */
/* Read in the next chunk */
dev->tagger.read_chunk_tags_fn(dev,
offset_chunk,
dev->checkpt_buffer,
&tags);
/* Bail out if the chunk is corrupted. */
if (tags.chunk_id != (dev->checkpt_page_seq + 1) ||
tags.ecc_result > YAFFS_ECC_RESULT_FIXED ||
tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) {
ok = 0;
tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA)
break;
}
if(!yaffs2_checkpt_check_chunk_hdr(dev)) {
ok = 0;
/* Bail out if it is not a checkpoint chunk. */
if(!yaffs2_checkpt_check_chunk_hdr(dev))
break;
}
dev->checkpt_page_seq++;
dev->checkpt_cur_chunk++;
@ -417,7 +415,7 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes)
dev->checkpt_byte_count++;
}
return i;
return i; /* Number of bytes read */
}
int yaffs_checkpt_close(struct yaffs_dev *dev)
@ -441,8 +439,6 @@ int yaffs_checkpt_close(struct yaffs_dev *dev)
if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY)
bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT;
}
kfree(dev->checkpt_block_list);
dev->checkpt_block_list = NULL;
}
dev->n_free_chunks -=
@ -452,14 +448,10 @@ int yaffs_checkpt_close(struct yaffs_dev *dev)
yaffs_trace(YAFFS_TRACE_CHECKPOINT, "checkpoint byte count %d",
dev->checkpt_byte_count);
if (dev->checkpt_buffer) {
/* free the buffer */
kfree(dev->checkpt_buffer);
dev->checkpt_buffer = NULL;
if (dev->checkpt_buffer)
return 1;
} else {
else
return 0;
}
}
int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev)

28
target/linux/generic/files/fs/yaffs2/yaffs_guts.c
View file

@ -1922,21 +1922,18 @@ static int yaffs_new_obj_id(struct yaffs_dev *dev)
struct list_head *i;
u32 n = (u32) bucket;
/* Now find an object value that has not already been taken
* by scanning the list.
/*
* Now find an object value that has not already been taken
* by scanning the list, incrementing each time by number of buckets.
*/
while (!found) {
found = 1;
n += YAFFS_NOBJECT_BUCKETS;
if (1 || dev->obj_bucket[bucket].count > 0) {
list_for_each(i, &dev->obj_bucket[bucket].list) {
/* If there is already one in the list */
if (i && list_entry(i, struct yaffs_obj,
hash_link)->obj_id == n) {
found = 0;
}
}
list_for_each(i, &dev->obj_bucket[bucket].list) {
/* Check if this value is already taken. */
if (i && list_entry(i, struct yaffs_obj,
hash_link)->obj_id == n)
found = 0;
}
}
return n;
@ -5022,8 +5019,15 @@ void yaffs_deinitialise(struct yaffs_dev *dev)
kfree(dev->gc_cleanup_list);
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
kfree(dev->temp_buffer[i].buffer);
dev->temp_buffer[i].buffer = NULL;
}
kfree(dev->checkpt_buffer);
dev->checkpt_buffer = NULL;
kfree(dev->checkpt_block_list);
dev->checkpt_block_list = NULL;
dev->is_mounted = 0;

47
target/linux/generic/files/fs/yaffs2/yaffs_vfs.c
View file

@ -738,7 +738,7 @@ static int yaffs_file_flush(struct file *file)
yaffs_gross_lock(dev);
yaffs_flush_file(obj, 1, 0);
yaffs_flush_file(obj, 1, 0, 0);
yaffs_gross_unlock(dev);
@ -768,7 +768,7 @@ static int yaffs_sync_object(struct file *file, struct dentry *dentry,
yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
"yaffs_sync_object");
yaffs_gross_lock(dev);
yaffs_flush_file(obj, 1, datasync);
yaffs_flush_file(obj, 1, datasync, 0);
yaffs_gross_unlock(dev);
return 0;
}
@ -2187,7 +2187,7 @@ static void yaffs_flush_inodes(struct super_block *sb)
yaffs_trace(YAFFS_TRACE_OS,
"flushing obj %d",
obj->obj_id);
yaffs_flush_file(obj, 1, 0);
yaffs_flush_file(obj, 1, 0, 0);
}
}
}
@ -2200,7 +2200,7 @@ static void yaffs_flush_super(struct super_block *sb, int do_checkpoint)
yaffs_flush_inodes(sb);
yaffs_update_dirty_dirs(dev);
yaffs_flush_whole_cache(dev);
yaffs_flush_whole_cache(dev, 1);
if (do_checkpoint)
yaffs_checkpoint_save(dev);
}
@ -2579,7 +2579,45 @@ static int yaffs_sync_fs(struct super_block *sb)
return 0;
}
/* the function only is used to change dev->read_only when this file system
* is remounted.
*/
static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
{
int read_only = 0;
struct mtd_info *mtd;
struct yaffs_dev *dev = 0;
/* Get the device */
mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
if (!mtd) {
yaffs_trace(YAFFS_TRACE_ALWAYS,
"MTD device #%u doesn't appear to exist",
MINOR(sb->s_dev));
return 1;
}
/* Check it's NAND */
if (mtd->type != MTD_NANDFLASH) {
yaffs_trace(YAFFS_TRACE_ALWAYS,
"MTD device is not NAND it's type %d",
mtd->type);
return 1;
}
read_only = ((*flags & MS_RDONLY) != 0);
if (!read_only && !(mtd->flags & MTD_WRITEABLE)) {
read_only = 1;
printk(KERN_INFO
"yaffs: mtd is read only, setting superblock read only");
*flags |= MS_RDONLY;
}
dev = sb->s_fs_info;
dev->read_only = read_only;
return 0;
}
static const struct super_operations yaffs_super_ops = {
.statfs = yaffs_statfs,
@ -2601,6 +2639,7 @@ static const struct super_operations yaffs_super_ops = {
#ifdef YAFFS_HAS_WRITE_SUPER
.write_super = yaffs_write_super,
#endif
.remount_fs = yaffs_remount_fs,
};
struct yaffs_options {

2
target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.c
View file

@ -1351,7 +1351,6 @@ int yaffs2_scan_backwards(struct yaffs_dev *dev)
int n_to_scan = 0;
enum yaffs_block_state state;
int c;
int deleted;
LIST_HEAD(hard_list);
struct yaffs_block_info *bi;
u32 seq_number;
@ -1469,7 +1468,6 @@ int yaffs2_scan_backwards(struct yaffs_dev *dev)
/* get the block to scan in the correct order */
blk = block_index[block_iter].block;
bi = yaffs_get_block_info(dev, blk);
deleted = 0;
summary_available = yaffs_summary_read(dev, dev->sum_tags, blk);

38
target/linux/generic/patches-3.18/501-yaffs-add-missing-flush-arguments.patch
View file

@ -1,38 +0,0 @@
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -738,7 +738,7 @@ static int yaffs_file_flush(struct file
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, 0);
+ yaffs_flush_file(obj, 1, 0, 1);
yaffs_gross_unlock(dev);
@@ -768,7 +768,7 @@ static int yaffs_sync_object(struct file
yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
"yaffs_sync_object");
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, datasync);
+ yaffs_flush_file(obj, 1, datasync, 1);
yaffs_gross_unlock(dev);
return 0;
}
@@ -2187,7 +2187,7 @@ static void yaffs_flush_inodes(struct su
yaffs_trace(YAFFS_TRACE_OS,
"flushing obj %d",
obj->obj_id);
- yaffs_flush_file(obj, 1, 0);
+ yaffs_flush_file(obj, 1, 0, 1);
}
}
}
@@ -2200,7 +2200,7 @@ static void yaffs_flush_super(struct sup
yaffs_flush_inodes(sb);
yaffs_update_dirty_dirs(dev);
- yaffs_flush_whole_cache(dev);
+ yaffs_flush_whole_cache(dev, 1);
if (do_checkpoint)
yaffs_checkpoint_save(dev);
}

12
target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch
View file

@ -4,7 +4,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -2605,6 +2605,7 @@ static const struct super_operations yaf
@@ -2644,6 +2644,7 @@ static const struct super_operations yaf
struct yaffs_options {
int inband_tags;
@ -12,7 +12,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
int skip_checkpoint_read;
int skip_checkpoint_write;
int no_cache;
@@ -2644,6 +2645,8 @@ static int yaffs_parse_options(struct ya
@@ -2683,6 +2684,8 @@ static int yaffs_parse_options(struct ya
if (!strcmp(cur_opt, "inband-tags")) {
options->inband_tags = 1;
@ -21,7 +21,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
} else if (!strcmp(cur_opt, "tags-ecc-off")) {
options->tags_ecc_on = 0;
options->tags_ecc_overridden = 1;
@@ -2717,7 +2720,6 @@ static struct super_block *yaffs_interna
@@ -2756,7 +2759,6 @@ static struct super_block *yaffs_interna
struct yaffs_param *param;
int read_only = 0;
@ -29,7 +29,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
struct yaffs_options options;
@@ -2757,6 +2759,9 @@ static struct super_block *yaffs_interna
@@ -2796,6 +2798,9 @@ static struct super_block *yaffs_interna
memset(&options, 0, sizeof(options));
@ -39,7 +39,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
if (yaffs_parse_options(&options, data_str)) {
/* Option parsing failed */
return NULL;
@@ -2790,17 +2795,22 @@ static struct super_block *yaffs_interna
@@ -2829,17 +2834,22 @@ static struct super_block *yaffs_interna
}
/* Added NCB 26/5/2006 for completeness */
@ -68,7 +68,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
return NULL;
/* OK, so if we got here, we have an MTD that's NAND and looks
@@ -2857,7 +2867,8 @@ static struct super_block *yaffs_interna
@@ -2896,7 +2906,8 @@ static struct super_block *yaffs_interna
param->n_reserved_blocks = 5;
param->n_caches = (options.no_cache) ? 0 : 10;

38
target/linux/generic/patches-4.0/501-yaffs-add-missing-flush-arguments.patch
View file

@ -1,38 +0,0 @@
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -738,7 +738,7 @@ static int yaffs_file_flush(struct file
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, 0);
+ yaffs_flush_file(obj, 1, 0, 1);
yaffs_gross_unlock(dev);
@@ -768,7 +768,7 @@ static int yaffs_sync_object(struct file
yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
"yaffs_sync_object");
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, datasync);
+ yaffs_flush_file(obj, 1, datasync, 1);
yaffs_gross_unlock(dev);
return 0;
}
@@ -2187,7 +2187,7 @@ static void yaffs_flush_inodes(struct su
yaffs_trace(YAFFS_TRACE_OS,
"flushing obj %d",
obj->obj_id);
- yaffs_flush_file(obj, 1, 0);
+ yaffs_flush_file(obj, 1, 0, 1);
}
}
}
@@ -2200,7 +2200,7 @@ static void yaffs_flush_super(struct sup
yaffs_flush_inodes(sb);
yaffs_update_dirty_dirs(dev);
- yaffs_flush_whole_cache(dev);
+ yaffs_flush_whole_cache(dev, 1);
if (do_checkpoint)
yaffs_checkpoint_save(dev);
}

12
target/linux/generic/patches-4.0/503-yaffs-add-tags-9bytes-mount-option.patch
View file

@ -4,7 +4,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -2605,6 +2605,7 @@ static const struct super_operations yaf
@@ -2644,6 +2644,7 @@ static const struct super_operations yaf
struct yaffs_options {
int inband_tags;
@ -12,7 +12,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
int skip_checkpoint_read;
int skip_checkpoint_write;
int no_cache;
@@ -2644,6 +2645,8 @@ static int yaffs_parse_options(struct ya
@@ -2683,6 +2684,8 @@ static int yaffs_parse_options(struct ya
if (!strcmp(cur_opt, "inband-tags")) {
options->inband_tags = 1;
@ -21,7 +21,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
} else if (!strcmp(cur_opt, "tags-ecc-off")) {
options->tags_ecc_on = 0;
options->tags_ecc_overridden = 1;
@@ -2717,7 +2720,6 @@ static struct super_block *yaffs_interna
@@ -2756,7 +2759,6 @@ static struct super_block *yaffs_interna
struct yaffs_param *param;
int read_only = 0;
@ -29,7 +29,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
struct yaffs_options options;
@@ -2757,6 +2759,9 @@ static struct super_block *yaffs_interna
@@ -2796,6 +2798,9 @@ static struct super_block *yaffs_interna
memset(&options, 0, sizeof(options));
@ -39,7 +39,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
if (yaffs_parse_options(&options, data_str)) {
/* Option parsing failed */
return NULL;
@@ -2790,17 +2795,22 @@ static struct super_block *yaffs_interna
@@ -2829,17 +2834,22 @@ static struct super_block *yaffs_interna
}
/* Added NCB 26/5/2006 for completeness */
@ -68,7 +68,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
return NULL;
/* OK, so if we got here, we have an MTD that's NAND and looks
@@ -2857,7 +2867,8 @@ static struct super_block *yaffs_interna
@@ -2896,7 +2906,8 @@ static struct super_block *yaffs_interna
param->n_reserved_blocks = 5;
param->n_caches = (options.no_cache) ? 0 : 10;

95
target/linux/generic/patches-4.0/505-yaffs-3.19-f_dentry-remove.patch Normal file
View file

@ -0,0 +1,95 @@
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -283,7 +283,7 @@ static int yaffs_readpage_nolock(struct
(long long)pos,
(unsigned)PAGE_CACHE_SIZE);
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
@@ -481,7 +481,7 @@ static ssize_t yaffs_hold_space(struct f
int n_free_chunks;
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
@@ -499,7 +499,7 @@ static void yaffs_release_space(struct f
struct yaffs_obj *obj;
struct yaffs_dev *dev;
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
@@ -591,7 +591,7 @@ static ssize_t yaffs_file_write(struct f
struct inode *inode;
struct yaffs_dev *dev;
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
if (!obj) {
yaffs_trace(YAFFS_TRACE_OS,
@@ -603,7 +603,7 @@ static ssize_t yaffs_file_write(struct f
yaffs_gross_lock(dev);
- inode = f->f_dentry->d_inode;
+ inode = f->f_path.dentry->d_inode;
if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
ipos = inode->i_size;
@@ -727,7 +727,7 @@ static int yaffs_file_flush(struct file
static int yaffs_file_flush(struct file *file)
#endif
{
- struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry);
+ struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_path.dentry);
struct yaffs_dev *dev = obj->my_dev;
@@ -1730,7 +1730,7 @@ static int yaffs_iterate(struct file *f,
char name[YAFFS_MAX_NAME_LENGTH + 1];
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
yaffs_gross_lock(dev);
@@ -1794,14 +1794,14 @@ static int yaffs_readdir(struct file *f,
struct yaffs_obj *obj;
struct yaffs_dev *dev;
struct yaffs_search_context *sc;
- struct inode *inode = f->f_dentry->d_inode;
+ struct inode *inode = f->f_path.dentry->d_inode;
unsigned long offset, curoffs;
struct yaffs_obj *l;
int ret_val = 0;
char name[YAFFS_MAX_NAME_LENGTH + 1];
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
yaffs_gross_lock(dev);
@@ -1835,10 +1835,10 @@ static int yaffs_readdir(struct file *f,
if (offset == 1) {
yaffs_trace(YAFFS_TRACE_OS,
"yaffs_readdir: entry .. ino %d",
- (int)f->f_dentry->d_parent->d_inode->i_ino);
+ (int)f->f_path.dentry->d_parent->d_inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, "..", 2, offset,
- f->f_dentry->d_parent->d_inode->i_ino,
+ f->f_path.dentry->d_parent->d_inode->i_ino,
DT_DIR) < 0) {
yaffs_gross_lock(dev);
goto out;

38
target/linux/generic/patches-4.1/501-yaffs-add-missing-flush-arguments.patch
View file

@ -1,38 +0,0 @@
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -738,7 +738,7 @@ static int yaffs_file_flush(struct file
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, 0);
+ yaffs_flush_file(obj, 1, 0, 1);
yaffs_gross_unlock(dev);
@@ -768,7 +768,7 @@ static int yaffs_sync_object(struct file
yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC,
"yaffs_sync_object");
yaffs_gross_lock(dev);
- yaffs_flush_file(obj, 1, datasync);
+ yaffs_flush_file(obj, 1, datasync, 1);
yaffs_gross_unlock(dev);
return 0;
}
@@ -2187,7 +2187,7 @@ static void yaffs_flush_inodes(struct su
yaffs_trace(YAFFS_TRACE_OS,
"flushing obj %d",
obj->obj_id);
- yaffs_flush_file(obj, 1, 0);
+ yaffs_flush_file(obj, 1, 0, 1);
}
}
}
@@ -2200,7 +2200,7 @@ static void yaffs_flush_super(struct sup
yaffs_flush_inodes(sb);
yaffs_update_dirty_dirs(dev);
- yaffs_flush_whole_cache(dev);
+ yaffs_flush_whole_cache(dev, 1);
if (do_checkpoint)
yaffs_checkpoint_save(dev);
}

12
target/linux/generic/patches-4.1/503-yaffs-add-tags-9bytes-mount-option.patch
View file

@ -4,7 +4,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -2605,6 +2605,7 @@ static const struct super_operations yaf
@@ -2644,6 +2644,7 @@ static const struct super_operations yaf
struct yaffs_options {
int inband_tags;
@ -12,7 +12,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
int skip_checkpoint_read;
int skip_checkpoint_write;
int no_cache;
@@ -2644,6 +2645,8 @@ static int yaffs_parse_options(struct ya
@@ -2683,6 +2684,8 @@ static int yaffs_parse_options(struct ya
if (!strcmp(cur_opt, "inband-tags")) {
options->inband_tags = 1;
@ -21,7 +21,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
} else if (!strcmp(cur_opt, "tags-ecc-off")) {
options->tags_ecc_on = 0;
options->tags_ecc_overridden = 1;
@@ -2717,7 +2720,6 @@ static struct super_block *yaffs_interna
@@ -2756,7 +2759,6 @@ static struct super_block *yaffs_interna
struct yaffs_param *param;
int read_only = 0;
@ -29,7 +29,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
struct yaffs_options options;
@@ -2757,6 +2759,9 @@ static struct super_block *yaffs_interna
@@ -2796,6 +2798,9 @@ static struct super_block *yaffs_interna
memset(&options, 0, sizeof(options));
@ -39,7 +39,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
if (yaffs_parse_options(&options, data_str)) {
/* Option parsing failed */
return NULL;
@@ -2790,17 +2795,22 @@ static struct super_block *yaffs_interna
@@ -2829,17 +2834,22 @@ static struct super_block *yaffs_interna
}
/* Added NCB 26/5/2006 for completeness */
@ -68,7 +68,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
return NULL;
/* OK, so if we got here, we have an MTD that's NAND and looks
@@ -2857,7 +2867,8 @@ static struct super_block *yaffs_interna
@@ -2896,7 +2906,8 @@ static struct super_block *yaffs_interna
param->n_reserved_blocks = 5;
param->n_caches = (options.no_cache) ? 0 : 10;

6
target/linux/generic/patches-4.1/504-yaffs-3.16-new-fops.patch
View file

@ -1,15 +1,19 @@
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -774,7 +774,21 @@ static int yaffs_sync_object(struct file
@@ -774,7 +774,25 @@ static int yaffs_sync_object(struct file
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
+static const struct file_operations yaffs_file_operations = {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0))
+ .read = new_sync_read,
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0) */
+ .read_iter = generic_file_read_iter,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0))
+ .write = new_sync_write,
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0) */
+ .write_iter = generic_file_write_iter,
+ .mmap = generic_file_mmap,
+ .flush = yaffs_file_flush,

95
target/linux/generic/patches-4.1/505-yaffs-3.19-f_dentry-remove.patch Normal file
View file

@ -0,0 +1,95 @@
--- a/fs/yaffs2/yaffs_vfs.c
+++ b/fs/yaffs2/yaffs_vfs.c
@@ -283,7 +283,7 @@ static int yaffs_readpage_nolock(struct
(long long)pos,
(unsigned)PAGE_CACHE_SIZE);
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
@@ -481,7 +481,7 @@ static ssize_t yaffs_hold_space(struct f
int n_free_chunks;
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
@@ -499,7 +499,7 @@ static void yaffs_release_space(struct f
struct yaffs_obj *obj;
struct yaffs_dev *dev;
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
@@ -591,7 +591,7 @@ static ssize_t yaffs_file_write(struct f
struct inode *inode;
struct yaffs_dev *dev;
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
if (!obj) {
yaffs_trace(YAFFS_TRACE_OS,
@@ -603,7 +603,7 @@ static ssize_t yaffs_file_write(struct f
yaffs_gross_lock(dev);
- inode = f->f_dentry->d_inode;
+ inode = f->f_path.dentry->d_inode;
if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND)
ipos = inode->i_size;
@@ -727,7 +727,7 @@ static int yaffs_file_flush(struct file
static int yaffs_file_flush(struct file *file)
#endif
{
- struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry);
+ struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_path.dentry);
struct yaffs_dev *dev = obj->my_dev;
@@ -1734,7 +1734,7 @@ static int yaffs_iterate(struct file *f,
char name[YAFFS_MAX_NAME_LENGTH + 1];
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
yaffs_gross_lock(dev);
@@ -1798,14 +1798,14 @@ static int yaffs_readdir(struct file *f,
struct yaffs_obj *obj;
struct yaffs_dev *dev;
struct yaffs_search_context *sc;
- struct inode *inode = f->f_dentry->d_inode;
+ struct inode *inode = f->f_path.dentry->d_inode;
unsigned long offset, curoffs;
struct yaffs_obj *l;
int ret_val = 0;
char name[YAFFS_MAX_NAME_LENGTH + 1];
- obj = yaffs_dentry_to_obj(f->f_dentry);
+ obj = yaffs_dentry_to_obj(f->f_path.dentry);
dev = obj->my_dev;
yaffs_gross_lock(dev);
@@ -1839,10 +1839,10 @@ static int yaffs_readdir(struct file *f,
if (offset == 1) {
yaffs_trace(YAFFS_TRACE_OS,
"yaffs_readdir: entry .. ino %d",
- (int)f->f_dentry->d_parent->d_inode->i_ino);
+ (int)f->f_path.dentry->d_parent->d_inode->i_ino);
yaffs_gross_unlock(dev);
if (filldir(dirent, "..", 2, offset,
- f->f_dentry->d_parent->d_inode->i_ino,
+ f->f_path.dentry->d_parent->d_inode->i_ino,
DT_DIR) < 0) {
yaffs_gross_lock(dev);
goto out;