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f2fs: use vmalloc to handle -ENOMEM error

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This patch introduces f2fs_kvmalloc to avoid -ENOMEM during mount.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2015-09-22 13:50:47 -07:00
parent ab126cfc30
commit 39307a8e24
2 changed files with 37 additions and 16 deletions
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32
fs/f2fs/segment.c
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@@ -14,7 +14,6 @@
#include <linux/blkdev.h>
#include <linux/prefetch.h>
#include <linux/kthread.h>
#include <linux/vmalloc.h>
#include <linux/swap.h>
#include "f2fs.h"
@@ -1955,12 +1954,13 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
SM_I(sbi)->sit_info = sit_i;
sit_i->sentries = vzalloc(MAIN_SEGS(sbi) * sizeof(struct seg_entry));
sit_i->sentries = f2fs_kvzalloc(MAIN_SEGS(sbi) *
sizeof(struct seg_entry), GFP_KERNEL);
if (!sit_i->sentries)
return -ENOMEM;
bitmap_size = f2fs_bitmap_size(MAIN_SEGS(sbi));
sit_i->dirty_sentries_bitmap = kzalloc(bitmap_size, GFP_KERNEL);
sit_i->dirty_sentries_bitmap = f2fs_kvzalloc(bitmap_size, GFP_KERNEL);
if (!sit_i->dirty_sentries_bitmap)
return -ENOMEM;
@@ -1982,8 +1982,8 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
return -ENOMEM;
if (sbi->segs_per_sec > 1) {
sit_i->sec_entries = vzalloc(MAIN_SECS(sbi) *
sizeof(struct sec_entry));
sit_i->sec_entries = f2fs_kvzalloc(MAIN_SECS(sbi) *
sizeof(struct sec_entry), GFP_KERNEL);
if (!sit_i->sec_entries)
return -ENOMEM;
}
@@ -2028,12 +2028,12 @@ static int build_free_segmap(struct f2fs_sb_info *sbi)
SM_I(sbi)->free_info = free_i;
bitmap_size = f2fs_bitmap_size(MAIN_SEGS(sbi));
free_i->free_segmap = kmalloc(bitmap_size, GFP_KERNEL);
free_i->free_segmap = f2fs_kvmalloc(bitmap_size, GFP_KERNEL);
if (!free_i->free_segmap)
return -ENOMEM;
sec_bitmap_size = f2fs_bitmap_size(MAIN_SECS(sbi));
free_i->free_secmap = kmalloc(sec_bitmap_size, GFP_KERNEL);
free_i->free_secmap = f2fs_kvmalloc(sec_bitmap_size, GFP_KERNEL);
if (!free_i->free_secmap)
return -ENOMEM;
@@ -2174,7 +2174,7 @@ static int init_victim_secmap(struct f2fs_sb_info *sbi)
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
unsigned int bitmap_size = f2fs_bitmap_size(MAIN_SECS(sbi));
dirty_i->victim_secmap = kzalloc(bitmap_size, GFP_KERNEL);
dirty_i->victim_secmap = f2fs_kvzalloc(bitmap_size, GFP_KERNEL);
if (!dirty_i->victim_secmap)
return -ENOMEM;
return 0;
@@ -2196,7 +2196,7 @@ static int build_dirty_segmap(struct f2fs_sb_info *sbi)
bitmap_size = f2fs_bitmap_size(MAIN_SEGS(sbi));
for (i = 0; i < NR_DIRTY_TYPE; i++) {
dirty_i->dirty_segmap[i] = kzalloc(bitmap_size, GFP_KERNEL);
dirty_i->dirty_segmap[i] = f2fs_kvzalloc(bitmap_size, GFP_KERNEL);
if (!dirty_i->dirty_segmap[i])
return -ENOMEM;
}
@@ -2301,7 +2301,7 @@ static void discard_dirty_segmap(struct f2fs_sb_info *sbi,
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
mutex_lock(&dirty_i->seglist_lock);
kfree(dirty_i->dirty_segmap[dirty_type]);
kvfree(dirty_i->dirty_segmap[dirty_type]);
dirty_i->nr_dirty[dirty_type] = 0;
mutex_unlock(&dirty_i->seglist_lock);
}
@@ -2309,7 +2309,7 @@ static void discard_dirty_segmap(struct f2fs_sb_info *sbi,
static void destroy_victim_secmap(struct f2fs_sb_info *sbi)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
kfree(dirty_i->victim_secmap);
kvfree(dirty_i->victim_secmap);
}
static void destroy_dirty_segmap(struct f2fs_sb_info *sbi)
@@ -2348,8 +2348,8 @@ static void destroy_free_segmap(struct f2fs_sb_info *sbi)
if (!free_i)
return;
SM_I(sbi)->free_info = NULL;
kfree(free_i->free_segmap);
kfree(free_i->free_secmap);
kvfree(free_i->free_segmap);
kvfree(free_i->free_secmap);
kfree(free_i);
}
@@ -2370,9 +2370,9 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
}
kfree(sit_i->tmp_map);
vfree(sit_i->sentries);
vfree(sit_i->sec_entries);
kfree(sit_i->dirty_sentries_bitmap);
kvfree(sit_i->sentries);
kvfree(sit_i->sec_entries);
kvfree(sit_i->dirty_sentries_bitmap);
SM_I(sbi)->sit_info = NULL;
kfree(sit_i->sit_bitmap);