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| author |   Jan Kara <jack@suse.cz> | 2018-01-07 16:38:43 -0500 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2018-01-07 16:38:43 -0500 |
| commit | c0b24625979284dd212423320fe1c84fe244ed7f (patch) | |
| tree | 92824567101689de2900f33446ca5db723394e48 /fs/ext2 | |
| parent | mbcache: revert "fs/mbcache.c: make count_objects() more robust" (diff) | |
| download | linux-dev-c0b24625979284dd212423320fe1c84fe244ed7f.tar.xz linux-dev-c0b24625979284dd212423320fe1c84fe244ed7f.zip | |
dax: pass detailed error code from dax_iomap_fault()
Ext4 needs to pass through error from its iomap handler to the page
fault handler so that it can properly detect ENOSPC and force
transaction commit and retry the fault (and block allocation). Add
argument to dax_iomap_fault() for passing such error.
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext2')
| -rw-r--r-- | fs/ext2/file.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext2/file.c b/fs/ext2/file.c index 2da67699dc33..09640220fda8 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -100,7 +100,7 @@ static int ext2_dax_fault(struct vm_fault *vmf) } down_read(&ei->dax_sem); - ret = dax_iomap_fault(vmf, PE_SIZE_PTE, NULL, &ext2_iomap_ops); + ret = dax_iomap_fault(vmf, PE_SIZE_PTE, NULL, NULL, &ext2_iomap_ops); up_read(&ei->dax_sem); if (vmf->flags & FAULT_FLAG_WRITE) |