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authorHauke Mehrtens <hauke@hauke-m.de>2015-08-15 17:16:03 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2015-08-15 17:16:03 +0000
commitb1bd85c40eb5d22253fcc09c441abb50308ecd40 (patch)
treeb780ccb906996723106a614a5913c94611857fb4
parent1c66ebcd2db1e85590b11e0abc750eef25363328 (diff)
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kernel: yaffs2: update to version from 2015-06-02
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
-rw-r--r--target/linux/generic/files/fs/yaffs2/NOTE.openwrt2
-rw-r--r--target/linux/generic/files/fs/yaffs2/yaffs_checkptrw.c38
-rw-r--r--target/linux/generic/files/fs/yaffs2/yaffs_guts.c28
-rw-r--r--target/linux/generic/files/fs/yaffs2/yaffs_vfs.c47
-rw-r--r--target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.c2
-rw-r--r--target/linux/generic/patches-3.18/501-yaffs-add-missing-flush-arguments.patch38
-rw-r--r--target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch12
-rw-r--r--target/linux/generic/patches-4.0/501-yaffs-add-missing-flush-arguments.patch38
-rw-r--r--target/linux/generic/patches-4.0/503-yaffs-add-tags-9bytes-mount-option.patch12
-rw-r--r--target/linux/generic/patches-4.0/505-yaffs-3.19-f_dentry-remove.patch95
-rw-r--r--target/linux/generic/patches-4.1/501-yaffs-add-missing-flush-arguments.patch38
-rw-r--r--target/linux/generic/patches-4.1/503-yaffs-add-tags-9bytes-mount-option.patch12
-rw-r--r--target/linux/generic/patches-4.1/504-yaffs-3.16-new-fops.patch6
-rw-r--r--target/linux/generic/patches-4.1/505-yaffs-3.19-f_dentry-remove.patch95
14 files changed, 288 insertions, 175 deletions
diff --git a/target/linux/generic/files/fs/yaffs2/NOTE.openwrt b/target/linux/generic/files/fs/yaffs2/NOTE.openwrt
index ad807bdc09..e84fbe6fc6 100644
--- a/target/linux/generic/files/fs/yaffs2/NOTE.openwrt
+++ b/target/linux/generic/files/fs/yaffs2/NOTE.openwrt
@@ -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)
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_checkptrw.c b/target/linux/generic/files/fs/yaffs2/yaffs_checkptrw.c
index e739fb4a10..16ee1e0695 100644
--- a/target/linux/generic/files/fs/yaffs2/yaffs_checkptrw.c
+++ b/target/linux/generic/files/fs/yaffs2/yaffs_checkptrw.c
@@ -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)
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_guts.c b/target/linux/generic/files/fs/yaffs2/yaffs_guts.c
index 1c0ae71320..89fb2a9bba 100644
--- a/target/linux/generic/files/fs/yaffs2/yaffs_guts.c
+++ b/target/linux/generic/files/fs/yaffs2/yaffs_guts.c
@@ -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;
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_vfs.c b/target/linux/generic/files/fs/yaffs2/yaffs_vfs.c
index 76bc1db59f..6540434371 100644
--- a/target/linux/generic/files/fs/yaffs2/yaffs_vfs.c
+++ b/target/linux/generic/files/fs/yaffs2/yaffs_vfs.c
@@ -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 {
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.c b/target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.c
index 8c31a661ff..9fb7c944ca 100644
--- a/target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.c
+++ b/target/linux/generic/files/fs/yaffs2/yaffs_yaffs2.c
@@ -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);
diff --git a/target/linux/generic/patches-3.18/501-yaffs-add-missing-flush-arguments.patch b/target/linux/generic/patches-3.18/501-yaffs-add-missing-flush-arguments.patch
deleted file mode 100644
index d5ccc3e81e..0000000000
--- a/target/linux/generic/patches-3.18/501-yaffs-add-missing-flush-arguments.patch
+++ /dev/null
@@ -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);
- }
diff --git a/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch b/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch
index 9ecaa72832..3f51bafc11 100644
--- a/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch
+++ b/target/linux/generic/patches-3.18/503-yaffs-add-tags-9bytes-mount-option.patch
@@ -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;
diff --git a/target/linux/generic/patches-4.0/501-yaffs-add-missing-flush-arguments.patch b/target/linux/generic/patches-4.0/501-yaffs-add-missing-flush-arguments.patch
deleted file mode 100644
index d5ccc3e81e..0000000000
--- a/target/linux/generic/patches-4.0/501-yaffs-add-missing-flush-arguments.patch
+++ /dev/null
@@ -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);
- }
diff --git a/target/linux/generic/patches-4.0/503-yaffs-add-tags-9bytes-mount-option.patch b/target/linux/generic/patches-4.0/503-yaffs-add-tags-9bytes-mount-option.patch
index 9ecaa72832..3f51bafc11 100644
--- a/target/linux/generic/patches-4.0/503-yaffs-add-tags-9bytes-mount-option.patch
+++ b/target/linux/generic/patches-4.0/503-yaffs-add-tags-9bytes-mount-option.patch
@@ -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;
diff --git a/target/linux/generic/patches-4.0/505-yaffs-3.19-f_dentry-remove.patch b/target/linux/generic/patches-4.0/505-yaffs-3.19-f_dentry-remove.patch
new file mode 100644
index 0000000000..4dd2afe992
--- /dev/null
+++ b/target/linux/generic/patches-4.0/505-yaffs-3.19-f_dentry-remove.patch
@@ -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;
diff --git a/target/linux/generic/patches-4.1/501-yaffs-add-missing-flush-arguments.patch b/target/linux/generic/patches-4.1/501-yaffs-add-missing-flush-arguments.patch
deleted file mode 100644
index d5ccc3e81e..0000000000
--- a/target/linux/generic/patches-4.1/501-yaffs-add-missing-flush-arguments.patch
+++ /dev/null
@@ -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);
- }
diff --git a/target/linux/generic/patches-4.1/503-yaffs-add-tags-9bytes-mount-option.patch b/target/linux/generic/patches-4.1/503-yaffs-add-tags-9bytes-mount-option.patch
index 9ecaa72832..3f51bafc11 100644
--- a/target/linux/generic/patches-4.1/503-yaffs-add-tags-9bytes-mount-option.patch
+++ b/target/linux/generic/patches-4.1/503-yaffs-add-tags-9bytes-mount-option.patch
@@ -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;
diff --git a/target/linux/generic/patches-4.1/504-yaffs-3.16-new-fops.patch b/target/linux/generic/patches-4.1/504-yaffs-3.16-new-fops.patch
index 11c6da0516..32b4fdfa39 100644
--- a/target/linux/generic/patches-4.1/504-yaffs-3.16-new-fops.patch
+++ b/target/linux/generic/patches-4.1/504-yaffs-3.16-new-fops.patch
@@ -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,
diff --git a/target/linux/generic/patches-4.1/505-yaffs-3.19-f_dentry-remove.patch b/target/linux/generic/patches-4.1/505-yaffs-3.19-f_dentry-remove.patch
new file mode 100644
index 0000000000..0d4b6bf04f
--- /dev/null
+++ b/target/linux/generic/patches-4.1/505-yaffs-3.19-f_dentry-remove.patch
@@ -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;