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-rw-r--r--fs/btrfs/delayed-inode.c2
-rw-r--r--fs/btrfs/disk-io.c2
-rw-r--r--fs/btrfs/file.c26
-rw-r--r--fs/btrfs/inode.c4
-rw-r--r--fs/btrfs/ioctl.c11
-rw-r--r--fs/btrfs/tree-log.c2
-rw-r--r--fs/btrfs/xattr.c50
7 files changed, 57 insertions, 40 deletions
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index b52c672f4c1..ae4d9cd1096 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1641,7 +1641,7 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev)
inode->i_gid = btrfs_stack_inode_gid(inode_item);
btrfs_i_size_write(inode, btrfs_stack_inode_size(inode_item));
inode->i_mode = btrfs_stack_inode_mode(inode_item);
- inode->i_nlink = btrfs_stack_inode_nlink(inode_item);
+ set_nlink(inode, btrfs_stack_inode_nlink(inode_item));
inode_set_bytes(inode, btrfs_stack_inode_nbytes(inode_item));
BTRFS_I(inode)->generation = btrfs_stack_inode_generation(inode_item);
BTRFS_I(inode)->sequence = btrfs_stack_inode_sequence(inode_item);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 07b3ac662e1..07ea91879a9 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1705,7 +1705,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
sb->s_bdi = &fs_info->bdi;
fs_info->btree_inode->i_ino = BTRFS_BTREE_INODE_OBJECTID;
- fs_info->btree_inode->i_nlink = 1;
+ set_nlink(fs_info->btree_inode, 1);
/*
* we set the i_size on the btree inode to the max possible int.
* the real end of the address space is determined by all of
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a381cd22f51..1266f6e9cdb 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1036,11 +1036,13 @@ out:
* on error we return an unlocked page and the error value
* on success we return a locked page and 0
*/
-static int prepare_uptodate_page(struct page *page, u64 pos)
+static int prepare_uptodate_page(struct page *page, u64 pos,
+ bool force_uptodate)
{
int ret = 0;
- if ((pos & (PAGE_CACHE_SIZE - 1)) && !PageUptodate(page)) {
+ if (((pos & (PAGE_CACHE_SIZE - 1)) || force_uptodate) &&
+ !PageUptodate(page)) {
ret = btrfs_readpage(NULL, page);
if (ret)
return ret;
@@ -1061,7 +1063,7 @@ static int prepare_uptodate_page(struct page *page, u64 pos)
static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
struct page **pages, size_t num_pages,
loff_t pos, unsigned long first_index,
- size_t write_bytes)
+ size_t write_bytes, bool force_uptodate)
{
struct extent_state *cached_state = NULL;
int i;
@@ -1086,10 +1088,11 @@ again:
}
if (i == 0)
- err = prepare_uptodate_page(pages[i], pos);
+ err = prepare_uptodate_page(pages[i], pos,
+ force_uptodate);
if (i == num_pages - 1)
err = prepare_uptodate_page(pages[i],
- pos + write_bytes);
+ pos + write_bytes, false);
if (err) {
page_cache_release(pages[i]);
faili = i - 1;
@@ -1158,6 +1161,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
size_t num_written = 0;
int nrptrs;
int ret = 0;
+ bool force_page_uptodate = false;
nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) /
PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
@@ -1200,7 +1204,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
* contents of pages from loop to loop
*/
ret = prepare_pages(root, file, pages, num_pages,
- pos, first_index, write_bytes);
+ pos, first_index, write_bytes,
+ force_page_uptodate);
if (ret) {
btrfs_delalloc_release_space(inode,
num_pages << PAGE_CACHE_SHIFT);
@@ -1217,12 +1222,15 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
if (copied < write_bytes)
nrptrs = 1;
- if (copied == 0)
+ if (copied == 0) {
+ force_page_uptodate = true;
dirty_pages = 0;
- else
+ } else {
+ force_page_uptodate = false;
dirty_pages = (copied + offset +
PAGE_CACHE_SIZE - 1) >>
PAGE_CACHE_SHIFT;
+ }
/*
* If we had a short copy we need to release the excess delaloc
@@ -1813,7 +1821,7 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int origin)
switch (origin) {
case SEEK_END:
case SEEK_CUR:
- offset = generic_file_llseek_unlocked(file, offset, origin);
+ offset = generic_file_llseek(file, offset, origin);
goto out;
case SEEK_DATA:
case SEEK_HOLE:
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index b2d004ad66a..75686a61bd4 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2534,7 +2534,7 @@ static void btrfs_read_locked_inode(struct inode *inode)
inode_item = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_inode_item);
inode->i_mode = btrfs_inode_mode(leaf, inode_item);
- inode->i_nlink = btrfs_inode_nlink(leaf, inode_item);
+ set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
inode->i_uid = btrfs_inode_uid(leaf, inode_item);
inode->i_gid = btrfs_inode_gid(leaf, inode_item);
btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
@@ -6728,7 +6728,7 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
inode->i_op = &btrfs_dir_inode_operations;
inode->i_fop = &btrfs_dir_file_operations;
- inode->i_nlink = 1;
+ set_nlink(inode, 1);
btrfs_i_size_write(inode, 0);
err = btrfs_update_inode(trans, new_root, inode);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 538f65a79ec..dae5dfe41ba 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1047,7 +1047,16 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
if (!max_to_defrag)
max_to_defrag = last_index - 1;
- while (i <= last_index && defrag_count < max_to_defrag) {
+ /*
+ * make writeback starts from i, so the defrag range can be
+ * written sequentially.
+ */
+ if (i < inode->i_mapping->writeback_index)
+ inode->i_mapping->writeback_index = i;
+
+ while (i <= last_index && defrag_count < max_to_defrag &&
+ (i < (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT)) {
/*
* make sure we stop running if someone unmounts
* the FS
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 786639fca06..0618aa39740 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1030,7 +1030,7 @@ static noinline int fixup_inode_link_count(struct btrfs_trans_handle *trans,
}
btrfs_release_path(path);
if (nlink != inode->i_nlink) {
- inode->i_nlink = nlink;
+ set_nlink(inode, nlink);
btrfs_update_inode(trans, root, inode);
}
BTRFS_I(inode)->index_cnt = (u64)-1;
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 69565e5fc6a..426aa464f1a 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -383,36 +383,36 @@ int btrfs_removexattr(struct dentry *dentry, const char *name)
XATTR_REPLACE);
}
-int btrfs_xattr_security_init(struct btrfs_trans_handle *trans,
- struct inode *inode, struct inode *dir,
- const struct qstr *qstr)
+int btrfs_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+ void *fs_info)
{
- int err;
- size_t len;
- void *value;
- char *suffix;
+ const struct xattr *xattr;
+ struct btrfs_trans_handle *trans = fs_info;
char *name;
+ int err = 0;
- err = security_inode_init_security(inode, dir, qstr, &suffix, &value,
- &len);
- if (err) {
- if (err == -EOPNOTSUPP)
- return 0;
- return err;
- }
-
- name = kmalloc(XATTR_SECURITY_PREFIX_LEN + strlen(suffix) + 1,
- GFP_NOFS);
- if (!name) {
- err = -ENOMEM;
- } else {
+ for (xattr = xattr_array; xattr->name != NULL; xattr++) {
+ name = kmalloc(XATTR_SECURITY_PREFIX_LEN +
+ strlen(xattr->name) + 1, GFP_NOFS);
+ if (!name) {
+ err = -ENOMEM;
+ break;
+ }
strcpy(name, XATTR_SECURITY_PREFIX);
- strcpy(name + XATTR_SECURITY_PREFIX_LEN, suffix);
- err = __btrfs_setxattr(trans, inode, name, value, len, 0);
+ strcpy(name + XATTR_SECURITY_PREFIX_LEN, xattr->name);
+ err = __btrfs_setxattr(trans, inode, name,
+ xattr->value, xattr->value_len, 0);
kfree(name);
+ if (err < 0)
+ break;
}
-
- kfree(suffix);
- kfree(value);
return err;
}
+
+int btrfs_xattr_security_init(struct btrfs_trans_handle *trans,
+ struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
+{
+ return security_inode_init_security(inode, dir, qstr,
+ &btrfs_initxattrs, trans);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-05 22:48:35 +0000