erofs-utils/erofs-utils-1.8.2-fix-all-fragments.patch

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From 882ad1c3157f7544bd4d004e3b6d744f0cbe3ffc Mon Sep 17 00:00:00 2001
From: Gao Xiang <hsiangkao@linux.alibaba.com>
Date: Sat, 12 Oct 2024 11:52:13 +0800
Subject: erofs-utils: mkfs: fix `-Eall-fragments` for multi-threaded
compression
If `-Eall-fragments` is specified when multi-threaded compression is
enabled, it should only apply to the packed inode instead of other
real inodes for now.
Fixes: 10c1590c0920 ("erofs-utils: enable multi-threaded support for `-Eall-fragments`")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241012035213.3729725-1-hsiangkao@linux.alibaba.com
---
lib/compress.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/lib/compress.c b/lib/compress.c
index 5d6fb2a..cbd4620 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -1456,12 +1456,8 @@ void *erofs_begin_compressed_file(struct erofs_inode *inode, int fd, u64 fpos)
inode->idata_size = 0;
inode->fragment_size = 0;
- if (z_erofs_mt_enabled) {
- ictx = malloc(sizeof(*ictx));
- if (!ictx)
- return ERR_PTR(-ENOMEM);
- ictx->fd = dup(fd);
- } else {
+ if (!z_erofs_mt_enabled ||
+ (cfg.c_all_fragments && !erofs_is_packed_inode(inode))) {
#ifdef EROFS_MT_ENABLED
pthread_mutex_lock(&g_ictx.mutex);
if (g_ictx.seg_num)
@@ -1471,6 +1467,11 @@ void *erofs_begin_compressed_file(struct erofs_inode *inode, int fd, u64 fpos)
#endif
ictx = &g_ictx;
ictx->fd = fd;
+ } else {
+ ictx = malloc(sizeof(*ictx));
+ if (!ictx)
+ return ERR_PTR(-ENOMEM);
+ ictx->fd = dup(fd);
}
ictx->ccfg = &erofs_ccfg[inode->z_algorithmtype[0]];
--
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