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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-09-22 13:50:47 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-10-09 16:20:55 -0700 |
| commit | 39307a8e2459ecdee9f1bc0b8a5d7af4a6d8f754 (patch) | |
| tree | 298a0c976465ac4feb194a2403c212ce391ba858 /fs/f2fs/f2fs.h | |
| parent | ab126cfc3090fa5af2a87cc0698f793aebbec7d0 (diff) | |
f2fs: use vmalloc to handle -ENOMEM error
This patch introduces f2fs_kvmalloc to avoid -ENOMEM during mount.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 8d6681a33258..6f27b921b027 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -19,6 +19,7 @@ #include <linux/magic.h> #include <linux/kobject.h> #include <linux/sched.h> +#include <linux/vmalloc.h> #include <linux/bio.h> #ifdef CONFIG_F2FS_CHECK_FS @@ -1586,6 +1587,26 @@ static inline bool f2fs_may_extent_tree(struct inode *inode) return S_ISREG(mode); } +static inline void *f2fs_kvmalloc(size_t size, gfp_t flags) +{ + void *ret; + + ret = kmalloc(size, flags | __GFP_NOWARN); + if (!ret) + ret = __vmalloc(size, flags, PAGE_KERNEL); + return ret; +} + +static inline void *f2fs_kvzalloc(size_t size, gfp_t flags) +{ + void *ret; + + ret = kzalloc(size, flags | __GFP_NOWARN); + if (!ret) + ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL); + return ret; +} + #define get_inode_mode(i) \ ((is_inode_flag_set(F2FS_I(i), FI_ACL_MODE)) ? \ (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |