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Date: Wed, 17 Aug 2011 16:48:05 +0900
From: Kazuya Mio <k-mio@...jp.nec.com>
To: ext4 <linux-ext4@...r.kernel.org>, Theodore Tso <tytso@....edu>
Subject: [PATCH v2 11/12] e4defrag: Fix error messages more clearly
There are some error messages we don't really understand what happens.
This patch fixes those messages.
Signed-off-by: Kazuya Mio <k-mio@...jp.nec.com>
---
misc/e4defrag.c | 39 +++++++++++++++++++++------------------
1 file changed, 21 insertions(+), 18 deletions(-)
diff --git a/misc/e4defrag.c b/misc/e4defrag.c
index ec1b15a..df532d3 100644
--- a/misc/e4defrag.c
+++ b/misc/e4defrag.c
@@ -323,6 +323,7 @@ static int is_ext4(const char *file)
mnt_type = realloc(mnt_type, strlen(mnt->mnt_type) + 1);
if (mnt_type == NULL) {
+ perror("Failed to allocate memory");
endmntent(fp);
return -1;
}
@@ -727,11 +728,9 @@ static int get_file_extents(int fd, struct fiemap_extent_list **ext_list_head)
!(ext_buf[EXTENT_MAX_COUNT-1].fe_flags
& FIEMAP_EXTENT_LAST));
- FREE(fiemap_buf);
- return 0;
out:
FREE(fiemap_buf);
- return -1;
+ return errno ? -1 : 0;
}
/*
@@ -873,7 +872,7 @@ static int call_defrag(int fd, int donor_fd, const char *file,
if (mode_flag & DETAIL) {
printf("\n");
PRINT_ERR_MSG_WITH_ERRNO(
- "Failed to free page");
+ "Failed to synchronize the file");
} else {
printf("\t[ NG ]\n");
}
@@ -971,15 +970,6 @@ static int file_defrag(const char *file, const struct stat64 *buf,
return 0;
}
- /* Has no blocks */
- if (buf->st_blocks == 0) {
- if (mode_flag & DETAIL) {
- PRINT_FILE_NAME(file);
- IN_FTW_PRINT_ERR_MSG("File has no blocks");
- }
- return 0;
- }
-
fd = open64(file, O_RDWR);
if (fd < 0) {
if (mode_flag & DETAIL) {
@@ -997,6 +987,12 @@ static int file_defrag(const char *file, const struct stat64 *buf,
PRINT_ERR_MSG_WITH_ERRNO(NGMSG_FILE_EXTENT);
}
goto out;
+ } else if (orig_list == NULL) {
+ if (mode_flag & DETAIL) {
+ PRINT_FILE_NAME(file);
+ IN_FTW_PRINT_ERR_MSG("File has no blocks");
+ }
+ goto out;
}
/* Count file fragments before defrag */
@@ -1089,6 +1085,12 @@ static int file_defrag(const char *file, const struct stat64 *buf,
PRINT_ERR_MSG_WITH_ERRNO(NGMSG_FILE_EXTENT);
}
goto out;
+ } else if (donor_list == NULL) {
+ if (mode_flag & DETAIL) {
+ PRINT_FILE_NAME(file);
+ IN_FTW_PRINT_ERR_MSG("Temporary file was removed");
+ }
+ goto out;
}
donor_score = e2p_get_fragscore(donor_fd, threshold,
@@ -1136,7 +1138,7 @@ check_improvement:
file_frags_end = file_frag_count(fd);
if (file_frags_end < 0) {
printf("\n");
- PRINT_ERR_MSG_WITH_ERRNO(NGMSG_FILE_INFO);
+ PRINT_ERR_MSG_WITH_ERRNO(NGMSG_FILE_EXTENT);
goto out;
}
@@ -1282,10 +1284,7 @@ int main(int argc, char *argv[])
}
switch (arg_type) {
- case DIRNAME:
- printf("ext4 defragmentation for directory(%s)\n",
- argv[i]);
-
+ case DIRNAME: {
int mount_dir_len = 0;
mount_dir_len = strnlen(lost_found_dir, PATH_MAX);
@@ -1313,6 +1312,10 @@ int main(int argc, char *argv[])
/* "e4defrag mount_piont_dir/else_dir" */
memset(lost_found_dir, 0, PATH_MAX + 1);
}
+
+ printf("ext4 defragmentation for directory(%s)\n",
+ argv[i]);
+ }
case DEVNAME:
if (arg_type == DEVNAME) {
strncpy(lost_found_dir, dir_name,
--
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