diff options
| author |   Nicholas Bellinger <nab@linux-iscsi.org> | 2011-06-23 20:20:51 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-06-23 20:20:51 +0000 |
| commit | 74d83b7eedab14e4b963a2220ff76f98fa6d4cb8 (patch) | |
| tree | ff4b10ebd9cf1a057c4b1a703732858a539faff7 /include/linux/buffer_head.h | |
| parent | [SCSI] target: Convert TASK_ATTR to scsi_tcq.h definitions (diff) | |
| parent | Linux 3.0-rc4 (diff) | |
Merge tag 'v3.0-rc4' of /pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'include/linux/buffer_head.h')
| -rw-r--r-- | include/linux/buffer_head.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index f5df23561b96..503c8a6b3079 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -217,8 +217,24 @@ int cont_write_begin(struct file *, struct address_space *, loff_t, get_block_t *, loff_t *); int generic_cont_expand_simple(struct inode *inode, loff_t size); int block_commit_write(struct page *page, unsigned from, unsigned to); +int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, + get_block_t get_block); int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, get_block_t get_block); +/* Convert errno to return value from ->page_mkwrite() call */ +static inline int block_page_mkwrite_return(int err) +{ + if (err == 0) + return VM_FAULT_LOCKED; + if (err == -EFAULT) + return VM_FAULT_NOPAGE; + if (err == -ENOMEM) + return VM_FAULT_OOM; + if (err == -EAGAIN) + return VM_FAULT_RETRY; + /* -ENOSPC, -EDQUOT, -EIO ... */ + return VM_FAULT_SIGBUS; +} sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *); int block_truncate_page(struct address_space *, loff_t, get_block_t *); int nobh_write_begin(struct address_space *, loff_t, unsigned, unsigned, |