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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-23 22:13:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-23 22:13:56 +0300 |
| commit | 20c759ca98468d96d1fff8bd5e6753f458dbbfbd (patch) | |
| tree | 202bb6951fcb6857128d96154bcde1bddbb22316 /fs/ext4/file.c | |
| parent | b82dde0230439215b55e545880e90337ee16f51a (diff) | |
| parent | 114bf37e04d839b555b3dc460b5e6ce156f49cf0 (diff) | |
| download | linux-20c759ca98468d96d1fff8bd5e6753f458dbbfbd.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge small final update from Andrew Morton:
- DAX feature work: add fsync/msync support
- kfree cleanup, MAINTAINERS update
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: return arch/sh to maintained state, with new maintainers
tree wide: use kvfree() than conditional kfree()/vfree()
dax: never rely on bh.b_dev being set by get_block()
xfs: call dax_pfn_mkwrite() for DAX fsync/msync
ext4: call dax_pfn_mkwrite() for DAX fsync/msync
ext2: call dax_pfn_mkwrite() for DAX fsync/msync
dax: add support for fsync/sync
mm: add find_get_entries_tag()
dax: support dirty DAX entries in radix tree
pmem: add wb_cache_pmem() to the PMEM API
dax: fix conversion of holes to PMDs
dax: fix NULL pointer dereference in __dax_dbg()
Diffstat (limited to 'fs/ext4/file.c')
| -rw-r--r-- | fs/ext4/file.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 749b222e6498..8c8965cc4aab 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -291,8 +291,8 @@ static int ext4_dax_pfn_mkwrite(struct vm_area_struct *vma, { struct inode *inode = file_inode(vma->vm_file); struct super_block *sb = inode->i_sb; - int ret = VM_FAULT_NOPAGE; loff_t size; + int ret; sb_start_pagefault(sb); file_update_time(vma->vm_file); @@ -300,6 +300,8 @@ static int ext4_dax_pfn_mkwrite(struct vm_area_struct *vma, size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT; if (vmf->pgoff >= size) ret = VM_FAULT_SIGBUS; + else + ret = dax_pfn_mkwrite(vma, vmf); up_read(&EXT4_I(inode)->i_mmap_sem); sb_end_pagefault(sb); |