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-rw-r--r--fs/ext2/acl.c43
-rw-r--r--fs/ext2/ext2.h1
-rw-r--r--fs/ext2/file.c25
-rw-r--r--fs/ext2/inode.c11
-rw-r--r--fs/ext2/super.c4
5 files changed, 38 insertions, 46 deletions
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index 79dafa71effd..51f0aea70cb4 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -175,11 +175,8 @@ ext2_get_acl(struct inode *inode, int type)
return acl;
}
-/*
- * inode->i_mutex: down
- */
-int
-ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+static int
+__ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
int name_index;
void *value = NULL;
@@ -189,13 +186,6 @@ ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
switch(type) {
case ACL_TYPE_ACCESS:
name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS;
- if (acl) {
- error = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (error)
- return error;
- inode->i_ctime = current_time(inode);
- mark_inode_dirty(inode);
- }
break;
case ACL_TYPE_DEFAULT:
@@ -222,6 +212,31 @@ ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
}
/*
+ * inode->i_mutex: down
+ */
+int
+ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+{
+ int error;
+ int update_mode = 0;
+ umode_t mode = inode->i_mode;
+
+ if (type == ACL_TYPE_ACCESS && acl) {
+ error = posix_acl_update_mode(inode, &mode, &acl);
+ if (error)
+ return error;
+ update_mode = 1;
+ }
+ error = __ext2_set_acl(inode, acl, type);
+ if (!error && update_mode) {
+ inode->i_mode = mode;
+ inode->i_ctime = current_time(inode);
+ mark_inode_dirty(inode);
+ }
+ return error;
+}
+
+/*
* Initialize the ACLs of a new inode. Called from ext2_new_inode.
*
* dir->i_mutex: down
@@ -238,12 +253,12 @@ ext2_init_acl(struct inode *inode, struct inode *dir)
return error;
if (default_acl) {
- error = ext2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
+ error = __ext2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
posix_acl_release(default_acl);
}
if (acl) {
if (!error)
- error = ext2_set_acl(inode, acl, ACL_TYPE_ACCESS);
+ error = __ext2_set_acl(inode, acl, ACL_TYPE_ACCESS);
posix_acl_release(acl);
}
return error;
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 23ebb92484c6..28de3edd4f4d 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -114,6 +114,7 @@ struct ext2_sb_info {
*/
spinlock_t s_lock;
struct mb_cache *s_ea_block_cache;
+ struct dax_device *s_daxdev;
};
static inline spinlock_t *
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index d34d32bdc944..ff3a3636a5ca 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -107,29 +107,6 @@ static int ext2_dax_fault(struct vm_fault *vmf)
return ret;
}
-static int ext2_dax_pfn_mkwrite(struct vm_fault *vmf)
-{
- struct inode *inode = file_inode(vmf->vma->vm_file);
- struct ext2_inode_info *ei = EXT2_I(inode);
- loff_t size;
- int ret;
-
- sb_start_pagefault(inode->i_sb);
- file_update_time(vmf->vma->vm_file);
- down_read(&ei->dax_sem);
-
- /* check that the faulting page hasn't raced with truncate */
- size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT;
- if (vmf->pgoff >= size)
- ret = VM_FAULT_SIGBUS;
- else
- ret = dax_pfn_mkwrite(vmf);
-
- up_read(&ei->dax_sem);
- sb_end_pagefault(inode->i_sb);
- return ret;
-}
-
static const struct vm_operations_struct ext2_dax_vm_ops = {
.fault = ext2_dax_fault,
/*
@@ -138,7 +115,7 @@ static const struct vm_operations_struct ext2_dax_vm_ops = {
* will always fail and fail back to regular faults.
*/
.page_mkwrite = ext2_dax_fault,
- .pfn_mkwrite = ext2_dax_pfn_mkwrite,
+ .pfn_mkwrite = ext2_dax_fault,
};
static int ext2_file_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 30163d007b2f..4dca6f348714 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -800,10 +800,10 @@ int ext2_get_block(struct inode *inode, sector_t iblock,
static int ext2_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
unsigned flags, struct iomap *iomap)
{
- struct block_device *bdev;
unsigned int blkbits = inode->i_blkbits;
unsigned long first_block = offset >> blkbits;
unsigned long max_blocks = (length + (1 << blkbits) - 1) >> blkbits;
+ struct ext2_sb_info *sbi = EXT2_SB(inode->i_sb);
bool new = false, boundary = false;
u32 bno;
int ret;
@@ -814,13 +814,9 @@ static int ext2_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
return ret;
iomap->flags = 0;
- bdev = inode->i_sb->s_bdev;
- iomap->bdev = bdev;
+ iomap->bdev = inode->i_sb->s_bdev;
iomap->offset = (u64)first_block << blkbits;
- if (blk_queue_dax(bdev->bd_queue))
- iomap->dax_dev = fs_dax_get_by_host(bdev->bd_disk->disk_name);
- else
- iomap->dax_dev = NULL;
+ iomap->dax_dev = sbi->s_daxdev;
if (ret == 0) {
iomap->type = IOMAP_HOLE;
@@ -842,7 +838,6 @@ static int
ext2_iomap_end(struct inode *inode, loff_t offset, loff_t length,
ssize_t written, unsigned flags, struct iomap *iomap)
{
- fs_put_dax(iomap->dax_dev);
if (iomap->type == IOMAP_MAPPED &&
written < length &&
(flags & IOMAP_WRITE))
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 448ebfe60233..1458706bd2ec 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -171,6 +171,7 @@ static void ext2_put_super (struct super_block * sb)
brelse (sbi->s_sbh);
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
+ fs_put_dax(sbi->s_daxdev);
kfree(sbi);
}
@@ -813,6 +814,7 @@ static unsigned long descriptor_loc(struct super_block *sb,
static int ext2_fill_super(struct super_block *sb, void *data, int silent)
{
+ struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev);
struct buffer_head * bh;
struct ext2_sb_info * sbi;
struct ext2_super_block * es;
@@ -842,6 +844,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
}
sb->s_fs_info = sbi;
sbi->s_sb_block = sb_block;
+ sbi->s_daxdev = dax_dev;
spin_lock_init(&sbi->s_lock);
@@ -1199,6 +1202,7 @@ failed_sbi:
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
failed:
+ fs_put_dax(dax_dev);
return ret;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-30 06:48:28 +0300