diff options
Diffstat (limited to 'fs/ext4')
-rw-r--r-- | fs/ext4/extents.c | 15 | ||||
-rw-r--r-- | fs/ext4/file.c | 48 | ||||
-rw-r--r-- | fs/ext4/inode.c | 18 | ||||
-rw-r--r-- | fs/ext4/ioctl.c | 2 | ||||
-rw-r--r-- | fs/ext4/page-io.c | 2 | ||||
-rw-r--r-- | fs/ext4/super.c | 6 | ||||
-rw-r--r-- | fs/ext4/symlink.c | 3 |
7 files changed, 23 insertions, 71 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 3e1014fe835e..3e295d3350a9 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -37,7 +37,7 @@ #include <linux/quotaops.h> #include <linux/string.h> #include <linux/slab.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/fiemap.h> #include <linux/backing-dev.h> #include "ext4_jbd2.h" @@ -3777,14 +3777,6 @@ out: return err; } -static void unmap_underlying_metadata_blocks(struct block_device *bdev, - sector_t block, int count) -{ - int i; - for (i = 0; i < count; i++) - unmap_underlying_metadata(bdev, block + i); -} - /* * Handle EOFBLOCKS_FL flag, clearing it if necessary */ @@ -4121,9 +4113,8 @@ out: * new. */ if (allocated > map->m_len) { - unmap_underlying_metadata_blocks(inode->i_sb->s_bdev, - newblock + map->m_len, - allocated - map->m_len); + clean_bdev_aliases(inode->i_sb->s_bdev, newblock + map->m_len, + allocated - map->m_len); allocated = map->m_len; } map->m_len = allocated; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index b5f184493c57..d663d3d7c81c 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -258,7 +258,6 @@ out: static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { int result; - handle_t *handle = NULL; struct inode *inode = file_inode(vma->vm_file); struct super_block *sb = inode->i_sb; bool write = vmf->flags & FAULT_FLAG_WRITE; @@ -266,24 +265,12 @@ static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf) if (write) { sb_start_pagefault(sb); file_update_time(vma->vm_file); - down_read(&EXT4_I(inode)->i_mmap_sem); - handle = ext4_journal_start_sb(sb, EXT4_HT_WRITE_PAGE, - EXT4_DATA_TRANS_BLOCKS(sb)); - } else - down_read(&EXT4_I(inode)->i_mmap_sem); - - if (IS_ERR(handle)) - result = VM_FAULT_SIGBUS; - else - result = dax_iomap_fault(vma, vmf, &ext4_iomap_ops); - - if (write) { - if (!IS_ERR(handle)) - ext4_journal_stop(handle); - up_read(&EXT4_I(inode)->i_mmap_sem); + } + down_read(&EXT4_I(inode)->i_mmap_sem); + result = dax_iomap_fault(vma, vmf, &ext4_iomap_ops); + up_read(&EXT4_I(inode)->i_mmap_sem); + if (write) sb_end_pagefault(sb); - } else - up_read(&EXT4_I(inode)->i_mmap_sem); return result; } @@ -292,7 +279,6 @@ static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, unsigned int flags) { int result; - handle_t *handle = NULL; struct inode *inode = file_inode(vma->vm_file); struct super_block *sb = inode->i_sb; bool write = flags & FAULT_FLAG_WRITE; @@ -300,27 +286,13 @@ static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, if (write) { sb_start_pagefault(sb); file_update_time(vma->vm_file); - down_read(&EXT4_I(inode)->i_mmap_sem); - handle = ext4_journal_start_sb(sb, EXT4_HT_WRITE_PAGE, - ext4_chunk_trans_blocks(inode, - PMD_SIZE / PAGE_SIZE)); - } else - down_read(&EXT4_I(inode)->i_mmap_sem); - - if (IS_ERR(handle)) - result = VM_FAULT_SIGBUS; - else { - result = dax_iomap_pmd_fault(vma, addr, pmd, flags, - &ext4_iomap_ops); } - - if (write) { - if (!IS_ERR(handle)) - ext4_journal_stop(handle); - up_read(&EXT4_I(inode)->i_mmap_sem); + down_read(&EXT4_I(inode)->i_mmap_sem); + result = dax_iomap_pmd_fault(vma, addr, pmd, flags, + &ext4_iomap_ops); + up_read(&EXT4_I(inode)->i_mmap_sem); + if (write) sb_end_pagefault(sb); - } else - up_read(&EXT4_I(inode)->i_mmap_sem); return result; } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 72d593fa690d..88d57af1b516 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -661,12 +661,8 @@ found: if (flags & EXT4_GET_BLOCKS_ZERO && map->m_flags & EXT4_MAP_MAPPED && map->m_flags & EXT4_MAP_NEW) { - ext4_lblk_t i; - - for (i = 0; i < map->m_len; i++) { - unmap_underlying_metadata(inode->i_sb->s_bdev, - map->m_pblk + i); - } + clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk, + map->m_len); ret = ext4_issue_zeroout(inode, map->m_lblk, map->m_pblk, map->m_len); if (ret) { @@ -1137,8 +1133,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, if (err) break; if (buffer_new(bh)) { - unmap_underlying_metadata(bh->b_bdev, - bh->b_blocknr); + clean_bdev_bh_alias(bh); if (PageUptodate(page)) { clear_buffer_new(bh); set_buffer_uptodate(bh); @@ -2371,11 +2366,8 @@ static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd) BUG_ON(map->m_len == 0); if (map->m_flags & EXT4_MAP_NEW) { - struct block_device *bdev = inode->i_sb->s_bdev; - int i; - - for (i = 0; i < map->m_len; i++) - unmap_underlying_metadata(bdev, map->m_pblk + i); + clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk, + map->m_len); } return 0; } diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 49fd1371bfa2..d534399cf607 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -15,7 +15,7 @@ #include <linux/file.h> #include <linux/quotaops.h> #include <linux/uuid.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "ext4_jbd2.h" #include "ext4.h" diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index e2332a65e8fb..d83b0f3c5fe9 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -457,7 +457,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io, } if (buffer_new(bh)) { clear_buffer_new(bh); - unmap_underlying_metadata(bh->b_bdev, bh->b_blocknr); + clean_bdev_bh_alias(bh); } set_buffer_async_write(bh); nr_to_submit++; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index dfc8309d7755..66845a08a87a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -38,7 +38,7 @@ #include <linux/log2.h> #include <linux/crc16.h> #include <linux/cleancache.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/kthread.h> #include <linux/freezer.h> @@ -1205,7 +1205,7 @@ static int ext4_release_dquot(struct dquot *dquot); static int ext4_mark_dquot_dirty(struct dquot *dquot); static int ext4_write_info(struct super_block *sb, int type); static int ext4_quota_on(struct super_block *sb, int type, int format_id, - struct path *path); + const struct path *path); static int ext4_quota_off(struct super_block *sb, int type); static int ext4_quota_on_mount(struct super_block *sb, int type); static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data, @@ -5293,7 +5293,7 @@ static void lockdep_set_quota_inode(struct inode *inode, int subclass) * Standard function to be called on quota_on */ static int ext4_quota_on(struct super_block *sb, int type, int format_id, - struct path *path) + const struct path *path) { int err; diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index 557b3b0d668c..73b184d161fc 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -83,21 +83,18 @@ errout: } const struct inode_operations ext4_encrypted_symlink_inode_operations = { - .readlink = generic_readlink, .get_link = ext4_encrypted_get_link, .setattr = ext4_setattr, .listxattr = ext4_listxattr, }; const struct inode_operations ext4_symlink_inode_operations = { - .readlink = generic_readlink, .get_link = page_get_link, .setattr = ext4_setattr, .listxattr = ext4_listxattr, }; const struct inode_operations ext4_fast_symlink_inode_operations = { - .readlink = generic_readlink, .get_link = simple_get_link, .setattr = ext4_setattr, .listxattr = ext4_listxattr, |