xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Browse Source 
Pull ext4 updates from Ted Ts'o:
 "Only miscellaneous cleanups and bug fixes for ext4 this cycle"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: create ext4_kset dynamically
  ext4: create ext4_feat kobject dynamically
  ext4: release kobject/kset even when init/register fail
  ext4: fix incorrect indentation of if statement
  ext4: correct documentation for grpid mount option
  ext4: use 'sbi' instead of 'EXT4_SB(sb)'
  ext4: save error to disk in __ext4_grp_locked_error()
  jbd2: fix sphinx kernel-doc build warnings
  ext4: fix a race in the ext4 shutdown path
  mbcache: make sure c_entry_count is not decremented past zero
  ext4: no need flush workqueue before destroying it
  ext4: fixed alignment and minor code cleanup in ext4.h
  ext4: fix ENOSPC handling in DAX page fault handler
  dax: pass detailed error code from dax_iomap_fault()
  mbcache: revert "fs/mbcache.c: make count_objects() more robust"
  mbcache: initialize entry->e_referenced in mb_cache_entry_create()
  ext4: fix up remaining files with SPDX cleanups
This commit is contained in:
Linus Torvalds
2018-02-03 13:49:22 -08:00
parent 85b8bac957 5dc397113d
commit 23aedc4b9b
38 changed files with 408 additions and 365 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
fs/dax.c
View File

@@ -1095,7 +1095,7 @@ static bool dax_fault_is_synchronous(unsigned long flags,
}
static int dax_iomap_pte_fault(struct vm_fault *vmf, pfn_t *pfnp,
const struct iomap_ops *ops)
int *iomap_errp, const struct iomap_ops *ops)
{
struct vm_area_struct *vma = vmf->vma;
struct address_space *mapping = vma->vm_file->f_mapping;
@@ -1148,6 +1148,8 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, pfn_t *pfnp,
* that we never have to deal with more than a single extent here.
*/
error = ops->iomap_begin(inode, pos, PAGE_SIZE, flags, &iomap);
if (iomap_errp)
*iomap_errp = error;
if (error) {
vmf_ret = dax_fault_return(error);
goto unlock_entry;
@@ -1481,6 +1483,7 @@ static int dax_iomap_pmd_fault(struct vm_fault *vmf, pfn_t *pfnp,
* @vmf: The description of the fault
* @pe_size: Size of the page to fault in
* @pfnp: PFN to insert for synchronous faults if fsync is required
* @iomap_errp: Storage for detailed error code in case of error
* @ops: Iomap ops passed from the file system
*
* When a page fault occurs, filesystems may call this helper in
@@ -1489,11 +1492,11 @@ static int dax_iomap_pmd_fault(struct vm_fault *vmf, pfn_t *pfnp,
* successfully.
*/
int dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
pfn_t *pfnp, const struct iomap_ops *ops)
pfn_t *pfnp, int *iomap_errp, const struct iomap_ops *ops)
{
switch (pe_size) {
case PE_SIZE_PTE:
return dax_iomap_pte_fault(vmf, pfnp, ops);
return dax_iomap_pte_fault(vmf, pfnp, iomap_errp, ops);
case PE_SIZE_PMD:
return dax_iomap_pmd_fault(vmf, pfnp, ops);
default: