[PATCH v4 5/9] fs/ntfs3: Init spi more in init_fs_context than fill_super

From: Kari Argillander
Date: Tue Sep 07 2021 - 11:36:34 EST


init_fs_context() is meant to initialize s_fs_info (spi). Move spi
initializing code there which we can initialize before fill_super().

Signed-off-by: Kari Argillander <kari.argillander@xxxxxxxxx>
---
fs/ntfs3/super.c | 41 ++++++++++++++++++++++-------------------
1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index befa78d3cb26..420cd1409170 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -887,7 +887,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
const struct VOLUME_INFO *info;
u32 idx, done, bytes;
struct ATTR_DEF_ENTRY *t;
- u16 *upcase = NULL;
+ u16 *upcase;
u16 *shared;
bool is_ro;
struct MFT_REF ref;
@@ -902,9 +902,6 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
sb->s_time_gran = NTFS_TIME_GRAN; // 100 nsec
sb->s_xattr = ntfs_xattr_handlers;

- ratelimit_state_init(&sbi->msg_ratelimit, DEFAULT_RATELIMIT_INTERVAL,
- DEFAULT_RATELIMIT_BURST);
-
sbi->options->nls = ntfs_load_nls(sbi->options->nls_name);
if (IS_ERR(sbi->options->nls)) {
sbi->options->nls = NULL;
@@ -934,12 +931,6 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
sb->s_maxbytes = 0xFFFFFFFFull << sbi->cluster_bits;
#endif

- mutex_init(&sbi->compress.mtx_lznt);
-#ifdef CONFIG_NTFS3_LZX_XPRESS
- mutex_init(&sbi->compress.mtx_xpress);
- mutex_init(&sbi->compress.mtx_lzx);
-#endif
-
/*
* Load $Volume. This should be done before $LogFile
* 'cause 'sbi->volume.ni' is used 'ntfs_set_state'.
@@ -1224,11 +1215,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
goto out;
}

- sbi->upcase = upcase = kvmalloc(0x10000 * sizeof(short), GFP_KERNEL);
- if (!upcase) {
- err = -ENOMEM;
- goto out;
- }
+ upcase = sbi->upcase;

for (idx = 0; idx < (0x10000 * sizeof(short) >> PAGE_SHIFT); idx++) {
const __le16 *src;
@@ -1440,10 +1427,21 @@ static int ntfs_init_fs_context(struct fs_context *fc)
goto ok;

sbi = kzalloc(sizeof(struct ntfs_sb_info), GFP_NOFS);
- if (!sbi) {
- kfree(opts);
- return -ENOMEM;
- }
+ if (!sbi)
+ goto free_opts;
+
+ sbi->upcase = kvmalloc(0x10000 * sizeof(short), GFP_KERNEL);
+ if (!sbi->upcase)
+ goto free_sbi;
+
+ ratelimit_state_init(&sbi->msg_ratelimit, DEFAULT_RATELIMIT_INTERVAL,
+ DEFAULT_RATELIMIT_BURST);
+
+ mutex_init(&sbi->compress.mtx_lznt);
+#ifdef CONFIG_NTFS3_LZX_XPRESS
+ mutex_init(&sbi->compress.mtx_xpress);
+ mutex_init(&sbi->compress.mtx_lzx);
+#endif

sbi->options = opts;
fc->s_fs_info = sbi;
@@ -1452,6 +1450,11 @@ static int ntfs_init_fs_context(struct fs_context *fc)
fc->ops = &ntfs_context_ops;

return 0;
+free_opts:
+ kfree(opts);
+free_sbi:
+ kfree(sbi);
+ return -ENOMEM;
}

// clang-format off
--
2.25.1